Updated on 2025/09/30

写真a

 
NISHIGUCHI DAIKI
 
Organization
School of Science Associate Professor
Title
Associate Professor
External link

Degree

  • 博士(理学) ( 東京大学 )

Research Interests

  • nonequilibrium physics

  • active matter

  • biophysics

Research Areas

  • Natural Science / Biophysics, chemical physics and soft matter physics

Education

  • The University of Tokyo   Graduate School of Science   Department of Physics (PhD course)

    2014.4 - 2017.3

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  • The University of Tokyo   Graduate School of Science   Department of Physics (Master course)

    2012.4 - 2014.3

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  • The University of Tokyo   Faculty of Science   Department of Physics

    2010.4 - 2012.3

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  • The University of Tokyo   College of Arts and Sciences

    2008.4 - 2010.3

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Research History

  • Institute of Science Tokyo   Department of Physics, School of Science   Associate Professor

    2024.10

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  • Japan Science and Technology Agency   PRESTO   PRESTO researcher

    2021.10

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  • The University of Tokyo   Department of Physics, Graduate School of Science   Assistant Professor

    2019.4 - 2024.9

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  • Institut Pasteur   Pathogenesis of Vascular Infections Unit, Department of Cell Biology & Infection   Visiting Researcher

    2019.4 - 2019.8

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  • Institut Pasteur   Pathogenesis of Vascular Infections Unit, Department of Cell Biology & Infection   Postdoctoral Researcher

    2018.6 - 2019.4

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  • CEA-Saclay   Service de Physique de l'Etat Condense   Postdoctoral Researcher

    2017.6 - 2018.6

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  • The University of Tokyo   Department of Physics, Graduate School of Science   Project Researcher

    2017.4 - 2017.5

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Professional Memberships

Committee Memberships

  • The Physical Society of Japan   Committee of Division 11  

    2021.10 - 2022.9   

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    Committee type:Academic society

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  • Paris Biological Physics Community Day 2018   organizer  

    2018.5 - 2018.10   

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    Committee type:Other

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  • 第59回 物性若手夏の学校   準備局 招待講演担当  

    2013.8 - 2014.8   

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    Committee type:Academic society

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  • 第58回 物性若手夏の学校   講義世話人  

    2012.8 - 2013.8   

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    Committee type:Academic society

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  • 第42回 国際物理オリンピック(タイ大会)日本代表団   引率委員  

    2011.7   

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    Committee type:Other

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  • 国際物理オリンピック派遣員会   委員  

    2010.9 - 2011.8   

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    Committee type:Other

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  • 第5回 全国物理コンテスト物理チャレンジ2009   学生スタッフ  

    2009.8   

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    Committee type:Other

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  • 第4回 全国物理コンテスト物理チャレンジ2009   学生スタッフ  

    2008.8   

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    Committee type:Other

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Papers

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Books

  • Emergent order and turbulence in flocks: approach by swimming bacteria

    Daiki Nishiguchi( Role: Sole author)

    2021.6 

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  • Order and fluctuations in collective dynamics of swimming bacteria : experimental exploration of active matter physics

    Nishiguchi, Daiki

    Springer  2020.2  ( ISBN:9789813299979

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    Total pages:xiii, 128 p.   Language:English  

    CiNii Books

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MISC

  • アクティブマター物理学による経典的信条からの脱却 Invited

    西口大貴

    窮理   25   2024.4

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)  

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  • 微生物遊泳と壁の協奏現象:個と集団の制御(特集:複雑な流れ現象 -機械工学の視点から-)

    西口大貴

    Journal of the Society of Mechanical Engineers   126 ( 1255 )   14 - 17   2023.5

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:Japan Society of Mechanical Engineers  

    DOI: 10.51094/jxiv.379

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  • アクティブマター物理学:集団運動の秩序とゆらぎ Invited

    Daiki Nishiguchi

    67   304 - 320   2023.2

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    Authorship:Lead author, Last author, Corresponding author   Language:Japanese   Publishing type:Lecture material (seminar, tutorial, course, lecture, etc.)  

    DOI: 10.57393/natsugaku.1.0_304

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  • Physics of Bait Balls: How Do Schooling Fish Form Rotating Clusters? Invited Reviewed

    Daiki Nishiguchi

    JPSJ News and Comments   19   13   2022.7

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    Authorship:Lead author, Last author, Corresponding author   Language:English   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:Physical Society of Japan  

    DOI: 10.7566/jpsjnc.19.13

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  • アクティブマター理論に基づく細胞集団運動の応答計測プラットフォームの構築

    西口大貴

    中谷医工計測技術振興財団年報   ( 35 )   2022

  • Hysteretic transition to an oscillatory state in an active fluid model under confinement

    白谷空, 竹内一将, 西口大貴

    日本物理学会講演概要集(CD-ROM)   77 ( 2 )   2022

  • Emergent order and turbulence in flocks: approach by swimming bacteria

    西口大貴

    生体の科学   72 ( 3 )   2021

  • 細胞集団運動の示すマクロ応答の定量計測

    西口大貴

    上原記念生命科学財団研究報告集(CD-ROM)   35   2021

  • 国立科学博物館での企画展「相転移の世界」実施から見る数物系展示の意義と課題

    西口大貴, 谷田桜子, 佐野雅己, 有賀暢迪

    大学の物理教育   27 ( 1 )   2021

  • Interaction between swimming bacteria and pillars in quasi-two dimensions: enhanced trapping efficiency and its curvature dependence

    高羽悠樹, 西口大貴

    日本物理学会講演概要集(CD-ROM)   76 ( 2 )   2021

  • Experimental studies on emergent orders and universal laws in collective motion of active matter systems

    西口大貴

    日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

  • Algebraic depletion wings in dilute active Brownian particles: Theory and experiments on Janus particles fueled by an AC electric field

    西口大貴, PONCET Alexis, BENICHOU Olivier, DEMERY Vincent, DEMERY Vincent

    日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

  • Boundary conditions of bacterial turbulence and topological control of vortex order

    西口大貴, REINKEN Henning, HEIDENREICH Sebastian, SOKOLOV Andrey, BAER Markus, KLAPP Sabine H. L., ARANSON Igor S.

    日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

  • Experimental studies on emergent orders and universal laws in collective motion of active matter systems

    西口大貴

    日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

  • Boundary conditions and flow field topology of bacterial turbulence

    西口大貴, REINKEN Henning, HEIDENREICH Sebastian, SOKOLOV Andrey, BAER Markus, KLAPP Sabine H.L., ARANSON Igor S.

    日本物理学会講演概要集(CD-ROM)   75 ( 1 )   2020

  • Significance and Challenges of Exhibitions on Mathematical Sciences As Seen from the Temporary Exhibition “Phase Transitions′′ at the National Museum of Nature and Science

    西口大貴, 谷田桜子, 有賀暢迪

    日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

  • 交流電場下での非対称自己駆動粒子集団の統計的性質

    岩澤諄一郎, 西口大貴, 西口大貴, 佐野雅己

    日本物理学会講演概要集(CD-ROM)   73 ( 1 )   2018

  • 「10 分で伝えます! 東大研究最前線」 の実施報告 Reviewed

    Daiki Nishiguchi

    大学の物理教育   23 ( 2 )   98   2017

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    Publisher:一般社団法人 日本物理学会  

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  • 交流電場下での非対称自己駆動粒子の集団運動

    岩澤諄一郎, 西口大貴, 西口大貴, 佐野雅己

    日本物理学会講演概要集(CD-ROM)   72 ( 2 )   2017

  • 周期構造とバクテリア乱流の共鳴による渦格子形成と反強磁性秩序

    西口大貴, SOKOLOV Andrey, ARANSON Igor S.

    日本物理学会講演概要集(CD-ROM)   72 ( 1 )   2017

  • フィラメント状バクテリアの集団運動の示す長距離ネマチック秩序と巨大粒子数ゆらぎ

    西口大貴, 永井健, CHATE Hugues, 佐野雅己

    日本物理学会講演概要集(CD-ROM)   71 ( 2 )   2016

  • 自己駆動粒子の集団運動: 群れから始まる非平衡統計力学 (特集 数理モデルと普遍性) Reviewed

    西口大貴, 佐野雅己

    数理科学   54 ( 1 )   39 - 44   2016

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    Language:Japanese   Publisher:サイエンス社  

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  • 大学祭を活用した大学院生・若手研究者による「10分で伝えます!東大研究最前線」の実施報告

    西口大貴, 庄司佳祐, 山岡馨, 岡島悟, 末石智大, 廣井卓思

    日本物理学会講演概要集(CD-ROM)   71 ( 2 )   2016

  • ラ・トッカータ 第 59 回物性若手夏の学校開催報告 Reviewed

    吉田賢典, 西口大貴

    日本物理学会誌   70 ( 5 )   380 - 382   2015

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    Language:Japanese   Publisher:日本物理学会  

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  • 第 59 回物性若手夏の学校開催報告 (ラ・トッカータ) Reviewed

    吉田賢典, 西口大貴

    日本物理學會誌   70 ( 5 )   380 - 382   2015

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    Language:Japanese   Publisher:一般社団法人日本物理学会  

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  • 高アスペクト比のバクテリアのネマチックな集団運動

    西口大貴, 佐野雅己

    日本物理学会講演概要集(CD-ROM)   70 ( 2 )   2015

  • 30pAJ-2 Collective Behavior of Asymmetric Colloidal Particles Self-propelling under AC Electric Field

    Nishiguchi Daiki, Sano Masaki

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   380 - 380   2014.3

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

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  • 29aXH-4 Propelling Motions and Fluctuations of Colloidal Particles under AC electric field

    Nishiguchi Daiki, Sano Masaki

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   397 - 397   2013.3

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

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  • 日本代表選手と引率役員の両面から見た国際物理オリンピック (教育報告) Reviewed

    Daiki Nishiguchi

    大学の物理教育   18 ( 1 )   22   2012

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    Publisher:一般社団法人日本物理学会  

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  • サイエンスショーで光の二重性に挑む (教育に関する一言) Reviewed

    西口大貴

    大学の物理教育   15 ( 1 )   49 - 49   2009

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    Language:Japanese   Publisher:一般社団法人日本物理学会  

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  • 実験で科学への関心を導く (教育に関する一言) Reviewed

    Daiki Nishiguchi

    大学の物理教育   14 ( 3 )   160   2008

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    Publisher:一般社団法人日本物理学会  

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Presentations

  • Vortex reversals as a precursor of active turbulence

    Daiki Nishiguchi

    2025.3  Universal Biology Institute, The University of Tokyo

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    Event date: 2025.3

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

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  • アクティブ乱流の3次元構造と制御方法の開拓 Invited

    西口大貴

    日本物理学会2025年春季大会  2025.3 

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    Event date: 2025.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • バクテリア乱流の渦秩序形成と乱流化シナリオ Invited

    西口大貴

    プラズマ科学のフロンティア2024研究会  2025.1 

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    Event date: 2025.1

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • Vortex reversal is a precursor of confined bacterial turbulence Invited

    Daiki Nishiguchi, Sora Shiratani, Kazumasa A. Takeuchi, Igor S. Aranson

    Gel Symposium 2024  2024.11 

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    Event date: 2024.11

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • Vortex reversal is a precursor of confined bacterial turbulence Invited

    Daiki Nishiguchi

    DAIKIN International Symposium on Physics of Intelligence  2024.11 

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    Event date: 2024.11

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    西口大貴

    JSTさきがけ「複雑流動」第7回領域会議  2024.11 

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    Event date: 2024.10 - 2024.11

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Vortex reversals and oscillations as a prelude to bacterial turbulence

    Daiki Nishiguchi, Sora Shiratani, Igor S. Aranson, Kazumasa A. Takeuchi

    The Japan Society of Fluid Mechanics Annual Meeting 2024  2024.9 

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    Event date: 2024.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Vortex reversals as a precursor of bacterial turbulence

    Daiki Nishiguchi

    The Japan Society of Fluid Mechanics Annual Meeting 2024  2024.9 

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    Event date: 2024.9

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  • Vortex reversals as a precursor of bacterial turbulence

    Daiki Nishiguchi, Sora Shiratani, Igor S. Aranson, Kazumasa A. Takeuchi

    The 79th annual meeting of The Physical Society of Japan  2024.9 

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    Event date: 2024.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Topological and geometrical control of bacterial turbulence Invited

    Daiki Nishiguchi

    American Chemical Society Fall 2024 Global Virtual Symposium "Chemical Nanomotors"  2024.8 

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    Event date: 2024.8

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • Deciphering Vortex Order and Instability in Bacterial Turbulence Invited

    Daiki Nishiguchi

    2024.7 

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    Event date: 2024.7

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  • Reversals and oscillations as a prelude to bacterial turbulence Invited

    Daiki Nishiguchi

    The Physics of Self-Organising Active Matter  2024.7 

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    Event date: 2024.7

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    西口大貴

    JSTさきがけ「複雑流動」第6回領域会議  2024.5 

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    Event date: 2024.5

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • バクテリア乱流の渦秩序と不安定化 Invited International coauthorship

    西口大貴

    第48回エアロ・アクアバイオメカニズム学会定例講演会  2024.3 

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    Event date: 2024.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • How spatial dimensions and confinement influence single & collective bacterial swimming International coauthorship International conference

    Daiki Nishiguchi

    Active Matter x Complex Flow  2024.3 

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    Event date: 2024.3

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  • バクテリア集団運動の空間構造への応答:渦秩序の制御とキラリティー Invited International coauthorship

    西口大貴

    2023年度べん毛研究交流会  2024.3 

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    Event date: 2024.3

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • 「高密度細菌集団の秩序創発・状態制御を司る熱統計力学原理の探究」関連成果 International coauthorship

    西口大貴

    新学術領域「情報物理学でひもとく生命の秩序と設計原理」終了報告会・第8回領域会議  2024.3 

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    Event date: 2024.3

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • バクテリアの渦の乱流化シナリオと集団でのキラリティ反転

    西口大貴

    新学術領域「情報物理学でひもとく生命の秩序と設計原理」終了報告会・第8回領域会議  2024.3 

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    Event date: 2024.3

    Language:Japanese   Presentation type:Poster presentation  

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  • Vortex in Active Matter...and beyond International coauthorship

    西口大貴

    生物普遍性ワークショップ  2024.2 

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    Event date: 2024.2

    Language:English   Presentation type:Poster presentation  

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  • Vortex reversal as a precursor of active turbulence Invited International coauthorship International conference

    Daiki Nishiguchi

    Advanced core-to-core network for the physics of self-organizing active matter  2024.1 

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    Event date: 2024.1

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • バクテリア集団運動の空間構造への応答:渦秩序の制御とキラリティー Invited International coauthorship

    西口大貴

    第61回日本生物物理学会年会  2023.11 

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    Event date: 2023.11

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    西口大貴

    JSTさきがけ「複雑流動」第5回領域会議  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アクティブ乱流の3次元構造と制御方法の開拓:集団運動秩序の構造予測と制御とキラリティ

    西口大貴

    第17回さきがけ研究者交流会  2023.10 

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    Event date: 2023.10

    Language:Japanese   Presentation type:Poster presentation  

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  • 気液界面におけるバクテリア乱流のキラリティ発現

    西口大貴

    日本流体力学会年会2023  2023.9 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アクティブ乱流は如何にして乱れるか?集団運動秩序の構造予測と制御とキラリティ

    西口大貴

    日本流体力学会年会2023 さきがけ「複雑流動」特別セッション フラッシュトーク&ポスター発表  2023.9 

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    Event date: 2023.9

    Language:Japanese   Presentation type:Poster presentation  

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  • Opposite emergent chirality in bacterial turbulence International conference

    Daiki Nishiguchi

    Kick-off meeting of "Advanced core-to-core network for the physics of self-organizing active matter"  2023.9 

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    Event date: 2023.9

    Language:English   Presentation type:Poster presentation  

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  • Topology and chirality in bacterial active turbulence Invited International coauthorship International conference

    Daiki Nishiguchi

    Japan-China Workshop on Bio-Soft Matter 2023  2023.9 

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    Event date: 2023.9

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • How dimension matters for bacterial swimming: Enhanced attractions in quasi-two dimensions International conference

    Daiki Nishiguchi, Yuki Takaha

    STATPHYS28  2023.8 

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    Event date: 2023.8

    Language:English   Presentation type:Oral presentation (general)  

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  • Emergent chirality in bacterial turbulence at liquid-air interfaces International conference

    Daiki Nishiguchi

    Frontiers in nonequilibrium physics: Active matter, topology and beyond  2023.8 

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    Event date: 2023.7 - 2023.8

    Language:English   Presentation type:Poster presentation  

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  • 複雑環境による群体のトポロジカル制御と力学計測 International coauthorship

    西口大貴

    第1回「群体理工学」研究会  2023.7 

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    Event date: 2023.7

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • バクテリア遊泳と空間次元とトポロジー Invited International coauthorship

    西口大貴

    最先端クロストーク  2023.6 

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    Event date: 2023.6

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    西口大貴

    JSTさきがけ「複雑流動」第4回領域会議  2023.4 

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    Event date: 2023.4

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アクティブ乱流の気持ち:如何にして秩序化し、如何にして乱れるか? Invited

    Daiki Nishiguchi

    2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • Route from vortex order to active turbulence Invited

    Daiki Nishiguchi

    Japan-France joint seminar "Physics of dense and active disordered materials"  2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流は如何にして乱れるか? 集団運動秩序の構造予測と制御とキラリティ

    Daiki Nishiguchi

    2023.3 

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    Event date: 2023.3

    Language:Japanese   Presentation type:Poster presentation  

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  • アクティブ乱流のトポロジカル制御、そして3次元時空間ダイナミクス測定への挑戦

    Daiki Nishiguchi

    2023.1 

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    Event date: 2023.1

    Language:Japanese   Presentation type:Poster presentation  

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  • アクティブ乱流と境界とトポロジー

    Daiki Nishiguchi

    2023.1 

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    Event date: 2023.1

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    Daiki Nishiguchi

    2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    Daiki Nishiguchi

    2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • アクティブマター物理学:集団運動の秩序, ゆらぎ, 波, かたち Invited

    西口大貴

    流体若手夏の学校2022  2022.8 

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    Event date: 2022.8

    Presentation type:Oral presentation (invited, special)  

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  • アクティブマター物理学:集団運動の秩序とゆらぎ Invited

    西口大貴

    第67回物性若手夏の学校  2022.8 

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    Event date: 2022.8

    Presentation type:Oral presentation (invited, special)  

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  • バクテリア集団の統計力学実験

    Kazumasa A. Takeuchi, Daiki Nishiguchi

    2022.6 

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    Event date: 2022.6

    Language:Japanese   Presentation type:Poster presentation  

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  • アクティブ乱流の3次元構造と制御方法の開拓

    Daiki Nishiguchi

    2022.4 

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    Event date: 2022.4

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • 生命現象と生き物っぽい現象とアクティブマター Invited

    西口大貴

    第61回生物物理若手の会夏の学校  2021.9 

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    Event date: 2021.9

    Presentation type:Oral presentation (invited, special)  

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  • Novel boundary conditions and topology-induced vortex order of bacterial turbulence International coauthorship International conference

    Daiki Nishiguchi, Andrey Sokolov, Henning Reinken, Sebastian Heidenreich, Markus Bär, Sabine H.L. Klapp, Igor S. Aranson

    Biofluid Symposium  2021.6  Research Institute for Mathematical Sciences, Kyoto University

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    Event date: 2021.6

    Language:English   Presentation type:Oral presentation (general)  

    Venue:online   Country:Japan  

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  • xperimental studies on emergent orders and universal laws in collective motion of active matter systems Invited

    Daiki Nishiguchi

    The 76th Annual Meeting of the Physical Society of Japan  2021.3 

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    Event date: 2021.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • Algebraic depletion wings in dilute active Brownian particles: Theory and experiments on Janus particles fueled by an AC electric field International coauthorship

    Daiki Nishiguchi, Alexis Poncet, Olivier Bénichou, Vincent Démery

    The 76th Annual Meeting of the Physical Society of Japan  2021.3 

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    Event date: 2021.3

    Presentation type:Oral presentation (general)  

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  • Electrokinetic Janus particles: from self-organized flagella to winged pair correlation Invited

    Daiki Nishiguchi

    Active Matter Workshop 2021  2021.1 

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    Event date: 2021.1

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • Active Matter Physics ~order, fluctuations and topology of collective motion~ Invited

    Daiki Nishiguchi

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    Event date: 2020.6

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

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  • Experimental studies on emergent orders and universal laws in collective motion of active matter systems Invited

    Daiki Nishiguchi

    2020.3 

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    Event date: 2020.3

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • Novel boundary conditions and topology of bacterial turbulence Invited

    Daiki Nishiguchi

    Workshop on Physics of Soft, Active and Living Matter  2020.1 

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    Event date: 2020.1

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Chiba University   Country:Japan  

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  • Universality in collective motion of self-propelled elements captured through swimming bacteria Invited

    Daiki Nishiguchi, Ken H. Nagai, Hugues Chaté, Masaki Sano

    The 55th annual meeting of the Biophysical Society of Japan  2017.9 

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    Event date: 2017.9

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • Long-range nematic order and anomalous fluctuations in suspension of swimming filamentous bacteria Invited

    Daiki Nishiguchi, Ken H. Nagai, Hugues Chaté, Masaki Sano

    Current and Future Perspectives in Active Matter  2016.10 

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    Event date: 2016.10

    Language:English   Presentation type:Oral presentation (invited, special)  

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  • アクティブマターでやってみたいこと達 Invited

    西口大貴

    第1回アクティブ流体討論会  2025.1 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

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  • アクティブマター実験による非平衡普遍法則の探究 Invited

    西口大貴

    東京科学大学 量子物理学・ナノサイエンス第403回セミナー  2025.1 

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    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

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Awards

  • Science Tokyo Challenging Research Award

    2025.9   Institute of Science Tokyo   Active matter medical engineering via the topology of collective cell migration

    Daiki Nishiguchi

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  • 第6回領域会議発表賞

    2023.3   新学術領域「情報物理学でひもとく生命の秩序と設計原理」   アクティブ乱流は如何にして乱れるか? 集団運動秩序の構造予測と制御とキラリティ

    西口大貴

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  • Young Scientist Award

    2020.3   the Physical Society of Japan   Experimental studies on emergent orders and universal laws in collective motion of active matter systems

    Daiki Nishiguchi

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  • Graduated with honors (Research Award for PhD students)

    2017.3   Graduate School of Science, The University of Tokyo  

    Daiki Nishiguchi

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Research Projects

  • Squeezing active matter: Exploring low-dimensional properties in collective motion

    Grant number:23H01141  2023.4 - 2026.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount:\19110000 ( Direct Cost: \14700000 、 Indirect Cost:\4410000 )

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  • Squeezing active matter: Exploring low-dimensional properties in collective motion

    Grant number:23K25838  2023.4 - 2026.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount:\19110000 ( Direct Cost: \14700000 、 Indirect Cost:\4410000 )

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  • アクティブ乱流の3次元構造と制御方法の開拓

    2021 - 2024

    科学技術振興機構  戦略的な研究開発の推進 戦略的創造研究推進事業 さきがけ 

    西口 大貴

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    Authorship:Principal investigator 

    バクテリア系を題材とし、3次元アクティブ乱流の時空間構造を高速共焦点顕微鏡で直接観察します。統計則を実験的に解明するとともに、アクティブ流体のマクロな境界条件までミクロから包括的に理解する統計力学的な方法論を構築します。履歴依存する負粘性を活用したデバイスの創出へ向け、微小流路内にアクティブ乱流を流したときの粘性応答と集団運動を同時観察し、平均流下でのアクティブ乱流の挙動の解明にも挑みます。

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    J-GLOBAL

  • Topological control and topological phenomena of active matter

    Grant number:20K14426  2020.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists  Grant-in-Aid for Early-Career Scientists

    Daiki Nishiguchi

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    Authorship:Principal investigator 

    Grant amount:\4160000 ( Direct Cost: \3200000 、 Indirect Cost:\960000 )

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  • Response of collective cell migration and nonequilibrium dynamics of topological defects

    Grant number:19K23422  2019.8 - 2021.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Research Activity start-up  Grant-in-Aid for Research Activity start-up

    Daiki Nishiguchi

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    Authorship:Principal investigator 

    Grant amount:\2860000 ( Direct Cost: \2200000 、 Indirect Cost:\660000 )

    In order to extend the applicability of the frameworks of active matter physics to a wider range of systems, in this project we have investigated the behavior of active systems when their collective motion is coupled with other degrees of freedom. Specifically, we analyzed the response of collective cell migration and the emergent order in active turbulence of a dense bacterial suspension under boundary conditions. As a result, we succeeded in experimentally extracting novel boundary conditions for the collective dynamics and in constructing a framework for theoretically predicting the emergent order in active turbulence from a topological point of view.

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  • 高密度細菌集団の秩序創発・状態制御を司る熱統計力学原理の探求

    Grant number:19H05800  2019.6 - 2024.3

    日本学術振興会  科学研究費助成事業 新学術領域研究(研究領域提案型)  新学術領域研究(研究領域提案型)

    竹内 一将, 西口 大貴

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    Authorship:Coinvestigator(s) 

    Grant amount:\92040000 ( Direct Cost: \70800000 、 Indirect Cost:\21240000 )

    本年度も引き続き、高密度細菌集団のモデル実験系の研究、特に(i)高密度細菌集団の非平衡相の研究と(ii)高密度細菌集団の支配因子の探求を行い、細菌集団の情報物理学の基盤づくりを推進した。
    本年度はまず、高密度細菌集団を均一環境で長時間培養し、観察可能な独自の微小流体デバイス「広域マイクロ灌流系」の開発を完了し、論文発表を行った。論文では、本デバイスにより発見した、大腸菌集団の飢餓過程における細胞サイズゆらぎのスケール不変性について詳細に報告した。本成果は、変動する環境下で細菌集団が示す統計的性質の頑健さを示すものであり、細胞集団の情報物理学推進のうえで重要な成果と考えている。
    (i)「高密度細菌集団の非平衡相の研究」については、広域マイクロ灌流系を用い、運動性の大腸菌集団の高密度化に伴うガラス化について詳細な研究を実施した。結果、大腸菌集団のガラス転移現象や配向ガラス状態を発見し、各相や転移の特徴を明らかにしたほか、配向秩序に関するドメイン構造の発達も見出した。本成果は、細菌集団の非平衡熱力学的特徴を理解するうえで重要な結果である。
    (ii)「高密度細菌集団の支配因子の探求」については、非運動性の大腸菌集団において、コロニーの3次元構造とトポロジカル欠陥の関係を調査し、最下層で欠陥が生じている箇所ではコロニー局所高さが有意に高いという相関を見出した。そこで欠陥と細胞流の関係を調査し、従来は細胞流出を促すとされていた種類の欠陥においても細胞流入を見出したほか、それが欠陥周りの細胞の3次元的傾きによって説明できることを発見した。本成果は、トポロジカル欠陥という少数の点が、細胞集団の流動や3次元構造形成を左右することを示しており、アクティブマター物理学や細胞集団の情報物理学の観点からも重要な成果と考えている。

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  • 非平衡条件下で駆動する粒子の運動法則と多体現象

    2014.4 - 2017.3

    日本学術振興会  特別研究員 DC1 

    西口大貴

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    Authorship:Principal investigator  Grant type:Competitive

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Teaching Experience

Social Activities

  • Online Experimental Workshop on Polarization of Light: from Blue Sky to Sand Piles

    Role(s): Appearance, Lecturer, Demonstrator

    Japan Science and Technology Agency  2021.10

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    Audience: Schoolchildren, Junior students, High school students, College students, Graduate students, Teachers, Guardians, General

    Type:Seminar, workshop

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  • What is bacterial turbulence?

    Role(s): Appearance, Lecturer

    YouTube  2020.7

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    Audience: Junior students, High school students, College students, Graduate students, Teachers, Guardians, Researchesrs, General

    Type:Internet

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  • Is there any universal structure in"flocks"?

    Role(s): Appearance, Lecturer

    YouTube  2020.7

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    Audience: Junior students, High school students, College students, Graduate students, Teachers, Guardians, Researchesrs, General

    Type:Internet

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  • 生き物の群れと泳ぎに物理で挑む

    Role(s): Lecturer

    大阪星光学院中学・高等学校  ほしゼミ日曜講座  2020.6

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    Type:Lecture

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  • 国立科学博物館 企画展「物理はふしぎで美しい!磁石と水からひろがる相転移の世界」

    Role(s): Advisor, Informant, Planner, Organizing member, Demonstrator

    国立科学博物館・東京大学  2020.1 - 2020.2

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    Type:Other

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  • アクティブマター物理学: 群れの秩序と普遍法則

    Role(s): Lecturer

    東大オープンキャンパスツアーにおける講演・研究室見学受け入れ  2024.7

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    Audience: High school students

    Type:Lecture

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  • アクティブマター物理学:群れの秩序と普遍法則

    Role(s): Lecturer

    大阪星光学院高等学校  東大オープンキャンパスツアーにおける講演・研究室見学受け入れ  2023.7

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    Type:Lecture

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  • 統計物理と生命の架け橋「アクティブマター物理学」

    Role(s): Lecturer, Demonstrator

    東京大学  東大の研究室をのぞいてみよう!〜多様な学生を東大に〜  2023.3

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    Type:University open house

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  • From eating pizza to the shape of salad: Geometry and mechanics of plates

    Role(s): Lecturer, Organizing member

    日本学術振興会・諏訪青陵高校  JSPS fellowのSamuel Poincloux氏によるサイエンス・ダイアログ事業の補助  2023.2

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    Type:Visiting lecture

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  • 泳ぐ微生物、泳ぐコロイド、そしてその群れを物理する

    Role(s): Lecturer

    東京大学  東京大学理学部オープンキャンパス2022  2022.8

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    Type:Lecture

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  • 微生物の泳ぎと群れの物理学:生物学・化学・物理学がまじわるアクティブマター物理学

    Role(s): Lecturer

    大阪星光学院高等学校,西口大貴  大阪星光学院高等学校・東京ツアーにおける講演  2022.7

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  • 微生物の泳ぎと群れの物理学:生物学・化学・物理学がまじわるアクティブマター物理学

    Role(s): Lecturer

    古川学園高等学校  古川学園高等学校高校1年生・東大見学における講演  2022.6

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    Type:Lecture

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  • Supervision of an introductory movie on Active Matter

    Role(s): Advisor, Informant

    YouTube  2022

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    Audience: Junior students, High school students, College students, Graduate students, Teachers, Guardians, General

    Type:Internet

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  • Let's watch the swimming of microorganisms and the motion of flocks with physicists!

    Role(s): Appearance, Panelist, Lecturer, Advisor

    Biophysical Society of Japan  2021.11

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    Type:Seminar, workshop

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  • Physics of swimming microorganisms and universal laws in flocks of living matter

    Role(s): Lecturer

    The Committee of Japan Physics Olympiad  2021.9

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    Type:Lecture

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  • Young Soft Webinar

    Role(s): Planner, Organizing member

    2021.6

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    Audience: College students, Graduate students, Researchesrs

    Type:Seminar, workshop

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  • 生き物の群れと微生物の泳ぎを物理の目線で見てみたら

    Role(s): Appearance, Lecturer

    東京大学教養学部  高校生と大学生のための金曜特別講座  2021.5

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    Audience: High school students, College students

    Type:Lecture

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  • 「群れ」はなぜ生まれるのか

    Role(s): Appearance, Media coverage

    公益財団法人東京大学新聞社  東京大学新聞  NEW GENERATION アクティブマター物理学 西口大貴助教  2021.2

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    Type:Newspaper, magazine

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  • 「国際科学オリンピックに参加しよう!物理オリンピック参加に始まる大飛躍」パネリストおよび講演「物理の世界の広さと未来の自分との出会い」

    Role(s): Appearance, Lecturer

    東京理科大学公開講座「坊っちゃん講座」  国際科学オリンピックに参加しよう!物理オリンピック参加に始まる大飛躍  2020.9

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    Audience: Schoolchildren, Junior students, High school students, Teachers, Guardians, General

    Type:Visiting lecture

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  • サマチャレから10年間、何をしてきたか?:アクティブマターとサイエンスコミュニケーション,そして研究者キャリア

    Role(s): Lecturer

    KEKサマーチェレンジ世代間交流会  2020.2

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    Type:Lecture

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  • 相転移でひもとく生き物の群れの物理

    Role(s): Lecturer

    東京大学・東京カレッジ,国立科学博物館  「物理はふしぎで美しい!磁石と水からひろがる相転移の世界」講演会  2020.1

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    Audience: Schoolchildren, Junior students, High school students, College students, Graduate students, Teachers, Guardians, Researchesrs, General

    Type:Lecture

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Media Coverage

  • “Flocks” open up a new world of physics Promotional material

    Meet Researchers in the Sciences, The July 2024 issue of The Rigakubu News, UTokyo  https://www.s.u-tokyo.ac.jp/en/story/newsletter/page/10448/  2024.7

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