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Magnetic properties of a spinor dipolar Bose-Einstein condensate

Research Project

Project/Area Number 22740265
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Atomic/Molecular/Quantum electronics
Research InstitutionNagoya University (2014-2015)
The University of Tokyo (2010-2013)

Principal Investigator

Kawaguchi Yuki  名古屋大学, 工学(系)研究科(研究院), 准教授 (00456261)

Project Period (FY) 2010-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords物性理論 / 量子エレクトロニクス / 冷却原子気体 / 双極子相互作用 / スピン軌道相互作用 / スピン流 / 冷却原子 / ボース・アインシュタイン凝縮 / スピンテクスチャ / トポロジカル励起 / ボースアインシュタイン凝縮 / 低温物性 / 原子・分子物理
Outline of Final Research Achievements

We have investigated the magnetic property of Bose-Einstein condensates with spin internal degrees of freedom (spinor BECs). We have shown that the magnetic dipole-dipole interaction in spinor BECs causes the spin Hall effect. The changes in the magnetic phase diagram, phase transition, and the excitation spectrum due to the many-body effect are evaluated by using the perturbation theory. The effect of the superfluid current on the domain growth dynamics in a ferromagnetic BEC is investigated.

Report

(5 results)
  • 2015 Final Research Report ( PDF )
  • 2014 Annual Research Report
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (58 results)

All 2016 2015 2013 2012 2011 2010 Other

All Journal Article (19 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 15 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (37 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Remarks (2 results)

  • [Journal Article] Skyrmionic magnetization configurations at chiral magnet/ferromagnet heterostructures2016

    • Author(s)
      Y. Kawaguchi, Y. Tanaka, and N. Nagaosa
    • Journal Title

      Physical Review B

      Volume: 93 Issue: 6 Pages: 064416-064416

    • DOI

      10.1103/physrevb.93.064416

    • NAID

      120005844109

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Coarsening dynamics driven by vortex-antivortex annihilation in ferromagnetic Bose-Einstein condensates2015

    • Author(s)
      K. Kudo and Y. Kawaguchi
    • Journal Title

      Physical Review A

      Volume: 91 Issue: 5 Pages: 053609-053609

    • DOI

      10.1103/physreva.91.053609

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Controlling and probing non-abelian emergent gauge potentials in spinor Bose-Fermi mixtures2015

    • Author(s)
      N. T. Phuc, G. Tatara, Y. Kawaguchi, and M. Ueda
    • Journal Title

      Nature Communications

      Volume: 6 Issue: 1 Pages: 8135-8135

    • DOI

      10.1038/ncomms9135

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Finite temperature phase diagram of a spin-1 Bose gas2012

    • Author(s)
      Y. Kawaguchi, N. T. Phuc, and P. B. Blakie
    • Journal Title

      Physical Review A

      Volume: 85 Issue: 5 Pages: 53611-53611

    • DOI

      10.1103/physreva.85.053611

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Topological classification of vortex-core structures of spin-1 Bose-Einstein condensates2012

    • Author(s)
      S. Kobayashi, Y. Kawaguchi, M. Nitta, M. Ueda
    • Journal Title

      Physical Review A

      Volume: 86 Issue: 2 Pages: 23612-23612

    • DOI

      10.1103/physreva.86.023612

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Symmetry classification of spin-orbit-coupled spinor Bose-Einstein condensates2012

    • Author(s)
      Z. F. Xu, Y. Kawaguchi, L. You, and M. Ueda
    • Journal Title

      Phys. Rev. A

      Volume: 86 Issue: 3 Pages: 33628-33628

    • DOI

      10.1103/physreva.86.033628

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spinor Bose-Einstein condensates2012

    • Author(s)
      Y. Kawaguchi, M. Ueda
    • Journal Title

      Physics Reports

      Volume: 520 Issue: 5 Pages: 253-381

    • DOI

      10.1016/j.physrep.2012.07.005

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Beliaev theory of spinor Bose-Einstein condensates2012

    • Author(s)
      N. T. Phuc, Y. Kawaguchi, M. Ueda
    • Journal Title

      Annals of Physics

      Volume: 328 Pages: 158-219

    • DOI

      10.1016/j.aop.2012.10.004

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Abe homotopy classification of topological excitations under the topological influence of vortices2012

    • Author(s)
      S. Kobayashi
    • Journal Title

      Nucl. Phys. B

      Volume: 856 Issue: 2 Pages: 577-606

    • DOI

      10.1016/j.nuclphysb.2011.11.003

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dissipative hydrodynamic equation of a ferromagnetic Bose-Einstein condensate : analogy to magnetization dynamics in ferromagnets2011

    • Author(s)
      K.Kudo, Y.Kawaguchi
    • Journal Title

      Physical Review A

      Volume: 84 Issue: 4

    • DOI

      10.1103/physreva.84.043607

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of thermal and quantum fluctuations on the phase diagram of a spin-1 87Rb Bose-Einstein condensate2011

    • Author(s)
      Nguyen Thanh Phuc, Yuki Kawaguchi, and Masahito Ueda
    • Journal Title

      Physical Review A

      Volume: 84 Issue: 4

    • DOI

      10.1103/physreva.84.043645

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Symmetry classification of spinor Bose-Einstein condensates"2011

    • Author(s)
      Y. Kawaguchi
    • Journal Title

      10.1103/PhysRevA.84.053616

      Volume: 84 Issue: 5

    • DOI

      10.1103/physreva.84.053616

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 磁気双極子相互作用するボース・アインシュタイン凝縮体2011

    • Author(s)
      斎藤弘樹、川口由紀、上田正仁
    • Journal Title

      固体物理

      Volume: 46(依頼原稿) Pages: 21-28

    • NAID

      110007360062

    • Related Report
      2010 Annual Research Report
  • [Journal Article] 内部自由度を持ったボース・アインシュタイン凝縮体2011

    • Author(s)
      川口由紀
    • Journal Title

      物性研究

      Volume: 95(依頼原稿) Pages: 543-582

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Topological Excitations in Spinor Bose-Einstein Condensates2010

    • Author(s)
      Y.Kawaguchi, M.Kobayashi, M.Nitta, M.Ueda
    • Journal Title

      Progress of Theoretical Physics Supplement

      Volume: 186 Pages: 455-462

    • NAID

      110008143475

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Collision Dynamics of Non-Abelian Vortices in Spinor Bose-Einstein Condensates2010

    • Author(s)
      M.Kobayashi, Y.Kawaguchi, M.Nitta, M.Ueda
    • Journal Title

      Journal of Low Temperature Physics

      Volume: 162 Pages: 299-306

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spontaneous Magnetic Ordering in a Ferromagnetic Spinor Dipolar Bose-Einstein Condensate2010

    • Author(s)
      Y.Kawaguchi, H.Saito, K.Kudo, M.Ueda
    • Journal Title

      Physical Review A

      Volume: 82

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydrodynamic equation of a spinor dipolar Bose-Einstein condensate2010

    • Author(s)
      K.Kudo, Y.Kawaguchi
    • Journal Title

      Physical Review A

      Volume: 82

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] スピノル・ボース・アインシュタイン凝縮で実現する非可換量子渦と、その衝突のダイナミクス2010

    • Author(s)
      小林未知数、川口由紀、新田宗土、上田正仁
    • Journal Title

      日本物理学会誌

      Volume: 65(依頼原稿) Pages: 625-628

    • Related Report
      2010 Annual Research Report
  • [Presentation] 内部自由度を持ったBECにおける磁化ダイナミクス2016

    • Author(s)
      川口 由紀
    • Organizer
      日本物理学会 第71回年次大会
    • Place of Presentation
      東北学院大学
    • Year and Date
      2016-03-19
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] スピノール・ダイポールBECにおけるスピンホール効果2016

    • Author(s)
      川口 由紀
    • Organizer
      物性研短期研究会「量子乱流と古典乱流の邂逅」
    • Place of Presentation
      東京大学物性研究所
    • Year and Date
      2016-01-05
    • Related Report
      2014 Annual Research Report
  • [Presentation] スピノール・ダイポールBECにおけるスピンホール効果2015

    • Author(s)
      川口 由紀、大嶋俊之
    • Organizer
      新学術領域「トポロジーが紡ぐ物質科学のフロンティア」 第一回領域研究会
    • Place of Presentation
      京都大学
    • Year and Date
      2015-12-11
    • Related Report
      2014 Annual Research Report
  • [Presentation] spinor-dipolarボース・アインシュタイン凝縮体における逆スピンホール効果2015

    • Author(s)
      大嶋俊之、川口由紀
    • Organizer
      日本物理学会 2015年秋季大会
    • Place of Presentation
      関西大学
    • Year and Date
      2015-09-16
    • Related Report
      2014 Annual Research Report
  • [Presentation] カイラル磁性体/強磁性体接合におけるスキルミオン構造2015

    • Author(s)
      川口 由紀、田仲 由喜夫、永長 直人
    • Organizer
      日本物理学会 2015年秋季大会
    • Place of Presentation
      関西大学
    • Year and Date
      2015-09-16
    • Related Report
      2014 Annual Research Report
  • [Presentation] Bosonic Inverse Spin Hall Effect in a Spinor Dipolar BEC2015

    • Author(s)
      T. Oshima, Y. Kawaguchi
    • Organizer
      International Symposium on Fluctuation and Structure out of Equilibrium 2015
    • Place of Presentation
      京都大学
    • Year and Date
      2015-08-20
    • Related Report
      2014 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 内部自由度を持ったBECにおける量子渦2015

    • Author(s)
      川口 由紀
    • Organizer
      数理解析所共同研究「非線形現象のモデルに潜む未踏査数理構造の探求 - 基礎数理と応用の協働 - 」
    • Place of Presentation
      京都大学数理科学研究所
    • Year and Date
      2015-07-27
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Skyrmionic spin textures at chiral magnet/ferromagnet heterostructures2015

    • Author(s)
      Y. Kawaguchi, T. Tanaka, and N. Nagaosa
    • Organizer
      Workshop on "Topological Magnets"
    • Place of Presentation
      理化学研究所
    • Year and Date
      2015-05-25
    • Related Report
      2014 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Symmetry Classification of Spinor Bose-Einstein Condensates2013

    • Author(s)
      Y. Kawaguchi
    • Organizer
      QS2C Theory Forum: International Symposium on Strongly Correlated Quantum Science
    • Place of Presentation
      東京大学
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] 強磁性BECにおける磁区パターン成長2013

    • Author(s)
      工藤和恵、川口由紀
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] Fluctuation-induced first-order quantum phase transition in spinor Bose-Einstein condensates2013

    • Author(s)
      Nguyen Thanh Phuc、川口由紀、上田正仁
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 有限温度における3次元スピン1 ferromagnetic BECの相図2012

    • Author(s)
      N.T.Phuc、川口由紀、上田正仁
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      関西学院大学、(兵庫県)
    • Year and Date
      2012-03-25
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピノールBECにおける量子渦コア状態の分類2012

    • Author(s)
      小林伸吾、川口由紀、新田宗土、上田正仁
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      関西学院大学、(兵庫県)
    • Year and Date
      2012-03-25
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピン3スピノールBECにおける自発的対称性の破れとトポロジカル励起2012

    • Author(s)
      川口由紀
    • Organizer
      Ultracold Gases : Superfluidity and Strong Correlations
    • Place of Presentation
      東京理科大学、千代田区(招待講演)
    • Year and Date
      2012-01-13
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピン3BECにおける自発的対称性の破れと量子渦2012

    • Author(s)
      川口由紀
    • Organizer
      ISSP短期研究会「量子凝縮系におけるdefectとtopology」
    • Place of Presentation
      東京大学物性研究所、千葉県(招待講演)
    • Year and Date
      2012-01-06
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピノールBECの流体力学的記述2012

    • Author(s)
      川口由紀
    • Organizer
      科研費新学術領域研究「対称性の破れた凝縮系におけるトポロジカル量子現象」第8回集中連携研究会「冷却原子気体とトポロジー」
    • Place of Presentation
      東京大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] Multiple-collapse of a dipolar Bose-Einstein condensate2012

    • Author(s)
      Y. Kawaguchi
    • Organizer
      Swiss-Japan Workshop 2012, Current Topics in Theory of Correlated Materials
    • Place of Presentation
      理化学研究所
    • Related Report
      2012 Annual Research Report
  • [Presentation] スピンテクスチャのつくる有効ゲージ場の理論2012

    • Author(s)
      川口由紀、上田正仁
    • Organizer
      日本物理学会 2012年秋季大会
    • Place of Presentation
      横浜国立大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 量子渦の渦芯における内部自由度の幾何学的決定法およびスピノル・ボース凝縮への応用2012

    • Author(s)
      小林未知数、小林伸吾、新田宗土、川口由紀、上田正仁
    • Organizer
      日本物理学会 2012年秋季大会
    • Place of Presentation
      横浜国立大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 内部自由度をもったボース凝縮体でのBeliaev理論2012

    • Author(s)
      Nguyen Thanh Phuc、川口由紀、上田正仁
    • Organizer
      日本物理学会 2012年秋季大会
    • Place of Presentation
      横浜国立大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] Symmetry property and topological excitations in a spin-3 Bose-Einstein condensate2011

    • Author(s)
      川口由紀
    • Organizer
      科研費新学術領域研究「対称性の破れた凝縮系におけるトポロジカル量子現象」第二回領域研究会
    • Place of Presentation
      岡山大学、岡山市
    • Year and Date
      2011-12-19
    • Related Report
      2011 Annual Research Report
  • [Presentation] Topological Excitations in Quantum Gases2011

    • Author(s)
      Y.Kawaguchi
    • Organizer
      Japan-German Frontiers of Science Symposium
    • Place of Presentation
      ニューオータニホテル、千代田区
    • Year and Date
      2011-10-29
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピノールBECの磁区パターンと流れの効果2011

    • Author(s)
      工藤和恵、川口由紀
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      富山大学、富山市
    • Year and Date
      2011-09-22
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピノルBECにおける渦芯構造の分析:群論によるアプローチ2011

    • Author(s)
      小林伸吾、川口由紀、小林未知数、新田宗土、上田正仁
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      富山大学、富山市
    • Year and Date
      2011-09-22
    • Related Report
      2011 Annual Research Report
  • [Presentation] 微小スピノールBECにおける対称性回復のダイナミクス2011

    • Author(s)
      川口由紀、上田正仁
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      富山大学、富山市
    • Year and Date
      2011-09-21
    • Related Report
      2011 Annual Research Report
  • [Presentation] Spin Dynamics of a fragmented spinor BEC2011

    • Author(s)
      Y.Kawaguchi, M.Ueda
    • Organizer
      Bose-Einstein Condensation 2011 : Frontiers in Quantum Gases
    • Place of Presentation
      Hotel Eden Roc in Sant Feliu de Guixols, Spain
    • Year and Date
      2011-09-15
    • Related Report
      2011 Annual Research Report
  • [Presentation] Spin Dynamics and Patterm Formation of a Spinor Dipolar Bose-Einstein Condensate2011

    • Author(s)
      Y.Kawaguchi
    • Organizer
      26th International Conference on Low Temperature Physics
    • Place of Presentation
      Beijing International Convention Center, Beijing, China(招待講演)
    • Year and Date
      2011-08-12
    • Related Report
      2011 Annual Research Report
  • [Presentation] スピノルBECの相転移におけるトポロジカル励起の選択則2011

    • Author(s)
      小林伸吾, 川口由紀, 小林未知数, 上田正仁
    • Organizer
      日本物理学会第66回年次大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
    • Related Report
      2010 Annual Research Report
  • [Presentation] Spontaneous Magnetic Ordering in a Ferromagnetic Spinor Dipolar Bose-Einstein Condensate2011

    • Author(s)
      Y.Kawaguchi, H.Saito, K Kudo, M.Ueda
    • Organizer
      ERATO Macroscopic Quantum Control Conference on Ultracold atoms and molecules
    • Place of Presentation
      東京大学
    • Year and Date
      2011-01-24
    • Related Report
      2010 Annual Research Report
  • [Presentation] Quantum Ferrofluid : Bose-Einstein Condensate of Tiny Magnets2010

    • Author(s)
      Y.Kawaguchi
    • Organizer
      7th Japanese-German Fromtiers of Science Symposium
    • Place of Presentation
      Hotel Steigenberger Sanssouci, Potsdam, Germany
    • Year and Date
      2010-11-12
    • Related Report
      2010 Annual Research Report
  • [Presentation] スピノルダイポールBECの流体方程式2010

    • Author(s)
      工藤和恵, 川口由紀
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-25
    • Related Report
      2010 Annual Research Report
  • [Presentation] 有限温度における3次元のスピン1Ferromagnetic BECの相図2010

    • Author(s)
      グェンタンフク, 川口由紀, 上田正仁
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-25
    • Related Report
      2010 Annual Research Report
  • [Presentation] 非可換量子乱流2010

    • Author(s)
      小林未知数, 川口由紀, 新田宗土, 上田正仁
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-25
    • Related Report
      2010 Annual Research Report
  • [Presentation] Spin Dynamics in Spinor Dipolar BECs2010

    • Author(s)
      Y.Kawaguchi, H.Saito, K.Kudo, M.Ueda
    • Organizer
      2010 SIAM Conference on Nonlinear Waves and Coherent Structures(NW10) Minisymposium : Bose-Einstein Condensation : Modelling, Analysis and Simulation
    • Place of Presentation
      Philadelphia, Pennsylvania, USA
    • Year and Date
      2010-08-16
    • Related Report
      2010 Annual Research Report
  • [Presentation] Spin Dynamics in Spinor Dipolar Bose-Einstein Condensates2010

    • Author(s)
      Y.Kawaguchi, H.Saito, K.Kudo, M.Ueda
    • Organizer
      International Workshop on Statistical Physics of Quantum Systems
    • Place of Presentation
      東京大学
    • Year and Date
      2010-08-03
    • Related Report
      2010 Annual Research Report
  • [Presentation] スピノルBECにおけるトポロジカル励起2010

    • Author(s)
      川口由紀
    • Organizer
      理研シンポジウム
    • Place of Presentation
      理化学研究所
    • Year and Date
      2010-07-23
    • Related Report
      2010 Annual Research Report
  • [Presentation] Symmetry classification of the ground states of a spin-3 spinor Bose-Einstein condensate2010

    • Author(s)
      Y.Kawaguchi, M.Ueda
    • Organizer
      19th International Laser Physics Workshop
    • Place of Presentation
      Foz do Iguazu, Brazil
    • Year and Date
      2010-07-06
    • Related Report
      2010 Annual Research Report
  • [Remarks] 研究者のwebページ

    • URL

      http://www.qpec.t.u-tokyo.ac.jp/kawaguchi_lab/indexJ.html

    • Related Report
      2012 Annual Research Report
  • [Remarks]

    • URL

      http://cat.phys.s.u-tokyo.ac.jp/~yuki/indexJ.html

    • Related Report
      2011 Annual Research Report

URL: 

Published: 2010-08-23   Modified: 2019-07-29  

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