Updated on 2026/06/02

写真a

 
MUKAIYAMA TAKASHI
 
Organization
School of Science Professor
Title
Professor
External link

Degree

  • 博士(工学) ( 東京大学 )

Research Areas

  • Natural Science / Semiconductors, optical properties of condensed matter and atomic physics

Professional Memberships

Committee Memberships

  • 量子エレクトロニクス研究会   幹事長  

    2020.4 - 2023.3   

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  • 量子エレクトロニクス研究会   常任幹事  

    2011.4   

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Papers

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Books

  • 極低温イオン・原子混合系で探求する極低温化学反応過程

    向山敬, 齋藤了一( Role: Joint author)

    レーザー研究,49巻6号  2021.6 

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  • レーザー冷却技術により実現する極低温化学反応

    齋藤了一, 土師慎祐, 向山敬

    表面と真空 63巻10号524  2020 

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  • Universal Thermodynamics of a Unitary Fermi Gas

    Takashi Mukaiyama, Masahito Ueda( Role: Joint authorChapter 17)

    Springer  2013  ( ISBN:9783642375682

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  • 日本物理学会誌

    堀越宗一, 向山敬, 上田正仁( Role: Joint authorユニタリー極限におけるフェルミ原子気体の普遍的熱力学)

    日本物理学会  2012 

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    Language:Japanese  

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  • 固体物理

    向山敬( Role: Joint author第3章 極低温フェルミ原子気体系におけるBCS-BECクロスオーバー)

    アグネ技術センター  2011.11 

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MISC

  • Experimental determination of p-wave scattering parameters in ultracold Li-6 atoms (vol 88, 012710, 2013)

    Takuya Nakasuji, Jun Yoshida, Takashi Mukaiyama

    PHYSICAL REVIEW A   94 ( 4 )   2016.10

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  • 29pCF-2 Collision dynamics in a mixture of ultracold atoms and ions

    Haze Shinsuke, Fujinaga Munekazu, Saitoh Ryouichi, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   205 - 205   2014.3

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  • 29pCF-1 Development of a diode pumped Nd:YVO_4 laser for laser cooling of lithium

    Miake Yuudai, Haze Shinsuke, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   205 - 205   2014.3

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  • A mixture of degenerated Fermi gas and laser-cooled ions

    Haze Shinsuke, Fujinaga Munekazu, Saitoh Ryouichi, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   68 ( 2 )   152 - 152   2013.8

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  • 26aEE-11 Observation of ultracold collisions between ions and atoms

    Haze Shinsuke, Hata Sousuke, Fujinaga Munekazu, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   188 - 188   2013.3

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  • 20pAL-4 Characterization of ultracold collisions in an ion-atom mixture

    Hata Sousuke, Haze Shinsuke, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   67 ( 2 )   171 - 171   2012.8

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  • Universal Thermodynamics of a Unitary Fermi Gas

    HORIKOSHI Munekazu, MUKAIYAMA Takashi, UEDA Masahito

    67 ( 4 )   257 - 261   2012.4

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    Inter-particle interaction reaches maximum allowed by quantum mechanics at the unitarity limit. At the limit, thermodynamic properties of the system depend only on the temperature and density, but does not depend on any material-specific parameters. In this article, we describe the experimental determination of universal thermodynamics of an ultracold Fermi gas at the unitarity limit.

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  • 28pRD-4 Measurement of an Efimov trimer binding energy in an ultracold three-component mixture of ^6Li

    Nakajima Shuta, Horikoshi Munekazu, Mukaiyama Takashi, Naidon Pascal, Ueda Masahito

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   229 - 229   2011.3

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  • 27pEE-5 Universal thermodynamics of a unitary Fermi gas(Nonequilibrium phenomena in quantum gases, fluids, and solids")

    Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   831 - 831   2011.3

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  • 27pEE-5 Universal thermodynamics of a unitary Fermi gas(27pEE Nonequilibrium phenomena in quantum gases, fluids, and solids)

    Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   66 ( 1 )   206 - 206   2011.3

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  • 24aRP-13 Efimov physics in lithium 6

    Naidon Pascal, Nakajima Shuuta, Horikoshi Munekazu, Mukaiyama Takashi, Ueda Masahito

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   128 - 128   2010.8

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  • 22pTD-9 Measurement of universal thermodynamic functions for a unitary Fermi gas

    Horikoshi M., Nakajima S., Ueda M., Mukaiyama T.

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   206 - 206   2010.3

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  • 22pTD-8 Atom-dimer scattering in an ultracold three component mixture of ^6Li

    Nakajima Shuta, Horikoshi Munekazu, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   65 ( 1 )   206 - 206   2010.3

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  • 26pZF-5 Atom loss in the ultracold three component mixture of ^6Li

    Nakajima Shuta, Horikoshi Munekazu, Pradhan Swarupananda, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   64 ( 2 )   82 - 82   2009.8

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  • 27aSD-3 Formation of p-wave Feshbach molecules using fermionic ^6Li

    Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   131 - 131   2009.3

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  • 30pSD-12 Sound propagation in an elongated unitary gas

    Horikoshi M., Nakajima S., Inada Y., Pradhan Swarupananda, Ueda M., Mukaiyama T.

    Meeting abstracts of the Physical Society of Japan   64 ( 1 )   188 - 188   2009.3

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  • 20aZA-6 Elastic and Inelastic Collisional Properties of p-wave Feshbach Molecules

    Inada Yasuhisa, Horikoshi Munekazu, Nakajima Shuta, Kuwata-Gonokami Makoto, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   96 - 96   2008.8

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  • 21pQA-6 Superfluid transition in a strongly-interacting fermion system

    Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   121 - 121   2008.8

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  • 20aZA-5 Comparison of methods for determining the transition temperature at the unitarity limit

    Nakajima Shuta, Horikoshi Munekazu, Inada Yasuhisa, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   63 ( 2 )   96 - 96   2008.8

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  • 25pQD-1 Universal behavior of a strongly interacting molecular condensate

    Inada Yasuhisa, orikoshi Munekazu, Nakajima Shuta, Kuwata-Gonokami Makoto, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   186 - 186   2008.2

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  • 25pQD-2 Superfluid phase transition in the unitarity limit

    Horikoshi M., Inada Y., Nakajima S., Ueda M., Mukaiyama T.

    Meeting abstracts of the Physical Society of Japan   63 ( 1 )   186 - 186   2008.2

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  • 24pRH-10 BCS-BEC Crossover Physics with a Gas of ^6Li Atoms

    Nakajima Shuta, Inada Yasuhisa, Horikoshi Munekazu, Kuwata-gonogami Makoto, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   62 ( 2 )   206 - 206   2007.8

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  • 24pRH-11 Condensate Fraction of Strongly Interacting ^6Li_2 Molecules

    Inada Yasuhisa, Horikoshi Munekazu, Nakajima Shuta, Kuwata-Gonokami Makoto, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   62 ( 2 )   206 - 206   2007.8

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  • 20aXK-1 Resonator-Enhanced Optical Dipole Trap of ^6Li Atoms Towards Quantum Degeneracy

    Miyato Taizo, Inada Yasuhisa, Nakajima Shuta, Kuwata-Gonokami Makoto, Ueda Masahito, Mukaiyama Takashi

    Meeting abstracts of the Physical Society of Japan   62 ( 1 )   156 - 156   2007.2

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  • 27aTA-3 Optical control of lasing in an Er^<3+> doped glass microsphere

    Inada Yasuhisa, Mukaiyama Takashi, Kuwata-Gonokami Makoto

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   133 - 133   2006.3

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  • 27aXP-11Photon manipulation in microspheres.

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   721 - 721   2005.3

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  • 27aXP-11 Photon manipulation in microspheres

    Meeting abstracts of the Physical Society of Japan   60 ( 1 )   174 - 174   2005.3

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  • 15aXC-4 Up-conversion lasing in Er^<3+> doped glass microsphere

    Inada Yasuhisa, Hara Yoshiko, Mukaiyama Takashi, Peng Xiang, Jiang Shibin, Peyghambarian Nasser, Gonokami Makoto

    Meeting abstracts of the Physical Society of Japan   59 ( 2 )   137 - 137   2004.8

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  • 30aPS-79 Photonic bands in one-dimensional microspheres-array

    Meeting abstracts of the Physical Society of Japan   59 ( 1 )   773 - 773   2004.3

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  • The threshold characteristics of microsphere arrayed laser

    Meeting abstracts of the Physical Society of Japan   58 ( 2 )   673 - 673   2003.8

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  • Recoil-Limited Laser Cooling of 87Sr Atoms near the Fermi Temperature

    Annual report of the Institute of Engineering Innovation, School of Engineering, University of Tokyo   2   130 - 133   2003.8

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  • 26pWM-8 Doppler cooling of Sr atoms toward Fermi temperature in optical dipole force trap.

    Mukaiyama T., Ido T., Li Y., Katori H., Kuwata-Gonokami M.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   154 - 154   2002.3

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  • 24aWG-2 Light manupulation in connected spheres system.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   103 - 103   2002.3

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  • 26pWM-7 Intensity stabilization of the YVO, laser for evaporated cooling of the Sr atoms

    Li Ying, Kawamura A., Daimon M., Katori H., Kuwata-Gonokami M.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   154 - 154   2002.3

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  • Resonant coupling of Whispering-Gallery modes in connected spheres systemIII

    Meeting abstracts of the Physical Society of Japan   56 ( 2 )   80 - 80   2001.9

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  • Dipole force trapping of fermionic strontium isotope.

    Mukaiyama T., Ido T., Li Y., Katori H., Kuwata-Gonokami M.

    Meeting abstracts of the Physical Society of Japan   56 ( 2 )   97 - 97   2001.9

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  • Resonant coupling of Whispering-Gallery modes in connected spheres system II

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   135 - 135   2001.3

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  • Evaporative cooling of ultra-cold strontium atoms in an optical trap II

    Ido T., Katori H., Mukaiyama T., Li Y., Okamura K., Gonokami M. K.

    Meeting abstracts of the Physical Society of Japan   55 ( 2 )   117 - 117   2000.9

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  • Recoil-limited laser cooling of fermionic strontium isotope.

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   120 - 120   2000.3

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  • Evaporative cooling of strontium atoms in an optical trap

    Ido T., Katori H., Li Y., Mukaiyama T., Isoya Y., Gonokami M. K.

    Meeting abstracts of the Physical Society of Japan   55 ( 1 )   120 - 120   2000.3

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  • 24aYB-9 Resonant coupling of Whispering-Galliry modes in connected spheres system.

    Mukaiyama T, Takeda K, Kuwata-Gonokami M

    Meeting abstracts of the Physical Society of Japan   54 ( 2 )   626 - 626   1999.9

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  • Observation of coupled modes in one dimensional sphere array system

    MUKAIYAMA T., TAKEDA K., KUWATA-GONOKAMI M.

    Meeting abstracts of the Physical Society of Japan   53 ( 2 )   242 - 242   1998.9

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  • Observation of intersphere coupling modes of two spherical microcavity

    MUKAIYAMA T., LI Y., TAKEDA K., KUWATA-GONOKAMI M.

    Meeting abstracts of the Physical Society of Japan   53 ( 1 )   182 - 182   1998.3

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  • 5p-J-4 Coupling effect of two spherical microcavity.

    Mukaiyama T., Takeda K., Kuwata-Gonokami M.

    Meeting abstracts of the Physical Society of Japan   52 ( 2 )   209 - 209   1997.9

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Presentations

  • Experimental progress toward rotation sensing with a trapped 171Yb+ ion Invited

    Takashi Mukaiyama

    TRiAC workshop  2021.3 

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  • Experimental progress toward rotation sensing with a trapped 171Yb+ ion Invited

    Takashi Mukaiyama

    ASEAN Joint Workshop  2021.3 

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  • レーザー冷却中性原⼦・イオン混合系で探求する極低温原⼦イオン間衝突 Invited

    向山敬

    プラズマ・核融合学会第38回年会  2021.11 

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  • Three-dimensional matter-wave interference of a trapped single ion Invited

    Takashi Mukaiyama

    The IX International Symposium “Modern Problems of Laser Physics”  2021.8 

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  • Expreimental progress toward rotation sensing using a trapped single ion Invited

    Takashi Mukaiyama

    Asia-Pacific Workshop on Trapped Quantum Systems 2022  2022.4 

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  • Properties of spin-polarized fermions with p-wave interactions Invited

    Takashi Mukaiyama

    Cold Atoms Japan 2022  2022.4 

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  • 極低温原子・イオン系で探求する凝縮系物理と低温衝突過程 Invited

    向山敬

    原子衝突セミナー  2017.3 

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  • Collisional properties of an ultracold 6Li-40Ca+ mixture Invited

    Takashi Mukaiyama

    Few-body and collective many-body behavior with charge impurities in atomic quantum gases  2017.7 

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  • Collisional properties between ultracold atoms and ions Invited

    Takashi Mukaiyama

    Symposium on Small and Medium Sized Cold Atom Systems  2017.7 

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  • レーザー冷却原子・イオン混合系で探究する 極低温原子イオン衝突過程 Invited

    向山敬

    分野横断ワークショップ  2018.1 

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  • Collisional properties of ultracold ions with neutral atoms Invited

    Takashi Mukaiyama

    International Conference on Photonic, Electronic and Atomic Collisions  2017.7 

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  • Collisional properties of Fermi gases with p-wave interactions Invited

    Takashi Mukaiyama

    13th Japan-US Joint Seminar on Quantum Electronics and Laser Spectroscopy  2018.9 

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  • レーザー冷却原子・イオン混合系で探究する極低温物理 Invited

    向山敬

    物質階層原理研究会議  2018.5 

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  • 原子イオン混合系で探究する 極低温化学反応 Invited

    向山敬

    量子エレクトロニクス研究会  2018.12 

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  • Collisional properties of ions with light-mass neutral atoms Invited

    Takashi Mukaiyama

    European Conference on Trapped Ions  2018.11 

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  • Collisional properties of Fermi gases with p-wave interactions Invited

    Takashi Mukaiyama

    The Fourth Kyoto-Beijing-Tokyo Workshop on Ultracold Atoms  2019.9 

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited International conference

    Takashi Mukaiyama

    International workshop on statistical physics of quantum systems (SPQS)  2010.8 

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    Venue:University of Tokyo  

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited International conference

    Takashi Mukaiyama

    International Workshop on Ultracold Fermi Gas  2010.5 

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    Venue:日本原子力研究開発機構(東京)  

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited

    向山敬

    量子情報サマースクール  2010.8 

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    Venue:サンライズ知念(沖縄)  

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  • 強く相互作用するフェルミ粒子系の熱力学 Invited

    向山敬

    基研研究会「熱場の量子論とその応用」  2010.8 

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    Venue:京都大学基礎物理学研究所(京都)  

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited International conference

    Takashi Mukaiyama

    Conference on "Novel Quantum States in Condensed Matter"  2010.9 

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    Venue:Beijing, China  

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  • Experimental observation of Efimov trimer states in ultracold Fermi gases Invited

    向山敬

    「少数粒子系の物理の現状と今後の展望」研究会  2010.8 

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    Venue:福岡国際会議場(福岡)  

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited International conference

    Takashi Mukaiyama

    Conference on Ultracold Atoms and Molecules  2011.1 

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    Venue:University of Tokyo  

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  • レーザー冷却フェルミ原子系の普遍的熱力学 Invited

    向山敬

    レーザー学会  2011.1 

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    Venue:電気通信大学  

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  • Universal Thermodynamics of a Unitary Fermi Gas Invited International conference

    Takashi Mukaiyama

    Renormalization Group Approach from Ultra Cold Atoms to the Hot QGP  2011.8 

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    Venue:京都大学基礎物理学研究所  

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  • Measurement of an Efimov Trimer Binding Energy in a Three-Component Mixture of 6Li Invited International conference

    Takashi Mukaiyama

    Workshop on Frontiers in Ultracold Fermi Gases  2011.6 

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    Venue:International Centre for Theoretical Physics, Trieste, Itary  

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  • Formation of p-wave Feshbach molecules in a gas of ultracold 6Li atoms Invited International conference

    Takashi Mukaiyama

    Conference on Research Frontiers in Ultra-Cold Atoms  2009.5 

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    Venue:International Centre for Theoretical Physics, Trieste, Itary  

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  • リチウムフェルミ同位体を用いたp波分子の実現 Invited

    向山敬

    日本物理学会若手奨励賞受賞記念講演  2009.3 

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    Venue:立教大学(東京)  

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  • Formation of p-wave Feshbach molecules in a gas of ultracold 6Li atoms Invited International conference

    Takashi Mukaiyama

    LENS-Tokyo joint workshop  2009.9 

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

    Venue:Florence, Itary  

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  • Formation of p-wave Feshbach molecules in a gas of ultracold 6Li atoms Invited International conference

    Takashi Mukaiyama

    The Kyoto workshop on Cold Atoms and Molecules: Collisions, Field effects and Applications  2009.6 

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

    Venue:京都大学(京都)  

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  • 強く相互作用する極低温フェルミ原子系の超流動 Invited

    向山敬

    新学術領域研究・「動的相関光科学」第3回シンポジウム  2010.1 

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

    Venue:京都大学(京都)  

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  • Ultracold three-body recombination of identical fermions near a p-wave Feshbach resonance Invited International conference

    Takashi Mukaiyama

    MIPT-UEC joint workshop  2014.10 

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

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  • 極低温原子とイオンで探究する物理 -少数粒子系から凝縮系物理まで-

    向山敬

    プラズマ科学のフロンティア2014  2014.8  核融合研

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

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  • Investigation of ultracold atom-ion collisions Invited International conference

    Takashi Mukaiyama

    US-Japan Seminar Many body quantum systems from quantum gases to metrology and information processing  2015.9 

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

    Venue:Wisconsin, USA  

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  • 極低温中性原子‐イオン混合系の研究とマイクロイオントラップ Invited

    向山敬

    マイクロイオントラップ研究会  2014.12 

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

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  • Experimental determination of the p-wave contact in an ultracold Fermi gas Invited

    Takashi Mukaiyama

    第6回集中連携研究会「人工量子系におけるトポロジー」  2016.2  新学術領域研究「トポロジーが紡ぐ物質科学のフロンティア」

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

    Venue:東京大学  

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  • Collisional properties of laser-cooled atoms and ions Invited International conference

    Takashi MUkaiyama

    MIPT-UEC joint workshop  2015.10 

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

    Venue:Moscow, Russia  

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  • レーザー冷却イオン原子混合系で探求する極低温化学反応 Invited

    向山敬

    日本物理学会シンポジウム「イオン蓄積実験が切り拓く多彩な物理」  2016.3 

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

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  • 冷却フェルミ原子気体系におけるp波コンタクトの測定 Invited

    向山敬

    第6回集中連携研究会「人工量子系におけるトポロジー」  2016.2 

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

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  • Characterization of charge-exchange collisions between ultracold 6Li atoms and 40Ca+ ions Invited

    Takashi Mukaiyama

    CEMS Topical Meeting on Cold Atom  2016.6  RIKEN

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

    Venue:RIKEN  

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  • Interaction and decay of fermionic atoms near a p-wave Feshbach resonance Invited International conference

    Takashi Mukaiyama

    The First Beijing-Tokyo Workshop on Ultracold Atomic Gases  2016.4  Tsinghua University

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

    Venue:Beijing, China  

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  • Ultracold molecules Invited International conference

    Takashi Mukaiyama

    Japanese-French Frontiers of Science Symposium  2012.1  JFFOS

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

    Venue:Nice, France  

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  • Thermodynamics and superfluidity in an ultracold Fermi gas Invited

    Takashi Mukaiyama

    Few-body calculation of cold-atomic physics  2012.8 

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    Venue:RIKEN  

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  • 極低温中性原子気体系における散乱過程の制御と極低温分子生成 Invited

    向山敬

    第37回原子衝突学会 シンポジウム  2012.7  原子衝突学会

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

    Venue:電気通信大学,調布市  

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  • Measurement of a Universal Thermodynamic Functions for a Unitary Fermi gas Invited International conference

    Asian International Seminar on Atomic and Molecular Physics  2012.10 

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

    Venue:Academia Sinica, Taipei, Taiwan  

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  • Measurement of Universal Thermodynamic Functions for a Unitary Fermi Gas Invited

    向山敬

    量子エレクトロニクス研究会「冷却原子系で探究する新しい物理と極限的技術」  2012.10 

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

    Venue:上智大学軽井沢セミナーハウス  

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  • Experimental study on collisional properties of ultracold 6Li atoms near a p-wave Feshbach resonance Invited International conference

    UEC-Shanxi Joint Workshop  2013.3 

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

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  • 冷却原子気体におけるp波相互作用 Invited

    向山敬

    新学術領域研究「中性子星核物質」ウィンタースクール  2013.2 

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

    Venue:高エネルギー加速器研究機構  

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  • Toward realization of p-wave superfluid in an ultracold Fermi gas of 6Li atoms Invited International conference

    Takashi Mukaiyama

    International workshop for young researchers on Topological Quantum Phenomena in Condensed Matter with Broken Symmetries  2013.10 

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

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  • Ultracold three-body recombination of identical fermions near a p-wave Feshbach resonance Invited International conference

    Takashi Mukaiyama

    Few-body physics in cold atomic gases  2013.4 

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

    Venue:Beijing, China  

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  • Toward realization of p-wave superfluid in an ultracold Fermi gas of 6Li atoms International conference

    Takashi Mukaiyama

    Workshop on the intersection of cold-atomic and nuclear physics  2014.5 

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    Venue:APCTP, Pohang, Korea  

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Awards

  • 文部科学大臣表彰若手科学者賞

    2010.4  

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  • 日本物理学会若手奨励賞

    2009.3  

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    Award type:Award from Japanese society, conference, symposium, etc. 

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Research Projects

  • Realization of p-wave superfluidity using non-unitary processes and research on open quantum systems

    Grant number:24K00553  2024.4 - 2027.3

    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:\18590000 ( Direct Cost: \14300000 、 Indirect Cost:\4290000 )

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  • Efficient creation of p-wave molecules in a three-dimensional optical lattice

    Grant number:17K18752  2017.6 - 2019.3

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

    Mukaiyama Takashi

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    Grant amount:\6500000 ( Direct Cost: \5000000 、 Indirect Cost:\1500000 )

    Quantum gases with controllable p-wave interactions provides us with a wonderful playground to study phase transitions between superfluid phases with different symmetries. However, ultracold Fermi gases with strong p-wave interactions suffer from three-body relaxation losses. We started with the trial to understand the loss properties and experimentally identified the scaling behavior of the three-body loss in the weak interaction limit, and also the unitarity-limited behavior in the strong interaction limit. We further investigate the theoretical framework to reproduce the loss properties of the Fermi gas with strong p-wave interactions. We extend our study of the three-body loss coefficients from three-dimensional atomic gas to two-dimensional atomic gas, and investigate the possibility to improve the elastic to inelastic collision rate ratio. The result we obtained in this study paves the way toward realization of p-wave superfluid in an ultracold Fermi gas.

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  • 極低温イオン・原子混合系で探求する極低温化学反応過程

    Grant number:16814320  2016 - 2019

    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

    向山 敬

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    本研究では、精密に制御されたレーザーによる冷却技術を駆使することで原子気体系とイオン系において極低温の状態を実現し、原子とイオンを混合させた際に起こる極低温化学反応過程を詳細に調べます。この研究により、化学反応過程に反応粒子の量子統計性がどのように影響を与えるかという原子分子物理学と量子化学の分野にまたがる難問に挑戦し、両者を融合した研究領域を創ることを目指します。

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  • 極低温下での分子生成過程に現れる量子統計効果の研究

    2014.4 - 2017.3

    向山敬

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\16770000 ( Direct Cost: \12900000 、 Indirect Cost:\3870000 )

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  • 冷却原子を用いた中性子過剰な低密度核物質の状態方程式

    2012.6 - 2017.3

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    Grant type:Competitive

    Grant amount:\32500000 ( Direct Cost: \25000000 、 Indirect Cost:\7500000 )

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  • レーザー冷却イオンで実現する極低温中性原子気体の局所物性研究

    2010.4 - 2013.3

    向山敬

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\24570000 ( Direct Cost: \18900000 、 Indirect Cost:\5670000 )

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  • レーザー冷却イオンと中性原子を用いた極低温分子の実現

    2010.4 - 2011.3

    向山敬

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\11440000 ( Direct Cost: \8800000 、 Indirect Cost:\2640000 )

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  • 3次元光格子中の冷却フェルミ同位体原子を用いた量子スピン系の研究

    Grant number:17684022  2005 - 2007

    日本学術振興会  科学研究費助成事業  若手研究(A)

    向山 敬

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    Grant amount:\21710000 ( Direct Cost: \16700000 、 Indirect Cost:\5010000 )

    原子線を生成する領域に当たる原子線源,原子線を減速するゼーマン減速器,原子をトラップする領域に当たるメインチャンバを設計,作成した。ゼーマン減速器に発生させる磁場を作るための10個の並列安定化電流源を作成し,レーザー光の周波数を調節することにより原子線の減速に成功した。さらに対向する6本のレーザーと設計された不均一磁場を用いて減速されたリチウム原子をトラップ領城において捕獲することに成功した。本実験で条件を最適化することにより得られた原子数は3×10^9個で,これはリチウム原子のトラップを行っているグループの原子数と比較しても大きい数である。また,このトラップチャンバーは後の実験の都合を考え光学的なアクセスが良いガラスセルで作成した。また,量子縮退を得る手法である蒸発冷却においてトラップ領域の真空度は重要となるが我々の装置においても後の実験に十分な超高真空(〜10^<-11>Torr)を達成した。
    この作業と並行して,アメリカの原子物理学会にあたるDAMOPとイギリスで行われた原子の国際会議ICOLSに参加し,世界中の研究者から情報収集を行った。特に論文には示されることのない実験技術の詳細を,研究を行っている学生や研究員と直接話すことにより得ることができた。また,本研究分野では理論グループとの強力な連携協力を行うことにより重要な成果をあげているグループが数多くあり,理論面からのブイードバックがきわめて重要であると考えられている。我々は,長年にわたる密接な交流がありさらに本分野で世界をリードしている,理論グループの東工大上田正仁教授のグループと本研究について連携協力を行い,月に1〜2度のミーティングを行うことにより情報交換や研究内容の議論を行った。

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Teaching Experience

  • 電磁気学V

    2021.4 Institution:大阪大学

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  • 電磁気学VI

    2021.4 Institution:大阪大学

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  • 電磁界理論A

    2017.4 Institution:大阪大学

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  • 量子エレクトロニクス

    2017.4 Institution:大阪大学

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  • 電磁界理論B

    2017.4 Institution:大阪大学

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  • Opto- and Quantum Electronics

    2017.4 Institution:Osaka University

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  • 凝縮体量子工学特論

    Institution:The University of Electro-Communications

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  • 力学演習

    Institution:The University of Electro-Communications

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  • 応用物理工学実験第二

    Institution:The University of Electro-Communications

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  • 力学

    Institution:The University of Electro-Communications

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  • Selected Topics on Quantum Degenerate Systems

    Institution:The University of Electro-Communications

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