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J-GLOBAL ID：200901087707123113
Update date: Jan. 30, 2024
Totsuka Keisuke
トツカ ケイスケ | Totsuka Keisuke
Affiliation and department：
Job title：
associate professor
Research field (1)：
Mathematical physics and basic theory
Research theme for competitive and other funds (9)：
- 2021 - 2024 Topology and quantum phase transitions in strongly correlated open quantum systems
- 2018 - 2022 Microscopic construction of strongly-correlated topological phases and the study on thier phase structures
- 2015 - 2018 Study on quantum entanglement and emergent degrees of freedom in strongly-correlated topological phases
- 2012 - 2015 Study of strongly correlated topological phases with quantum entanglement
- 2008 - 2010 Unifying and Geometric Theory for Competing Orders in Low-Dimensional Magnets and Bose Systems
- 2006 - 2007 Unifying Approaches to Novel Quantum Phases in Low-Dimensional Magnets
- 2004 - 2005 幾何学的フラストレーションの誘起する量子相転移と新奇な基底状態
- 2002 - 2003 幾何学的にフラストレートした系の量子相転移と輸送現象
- 2002 - 2003 多スピン交換相互作用を含む系の理論的研究
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Papers (81)：
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Riku Masui, Keisuke Totsuka. Electric and magnetic properties of higher-spin Kondo-Heisenberg models at strong coupling. Physical Review B. 2022. 106. 1. 014411-1-014411-16
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S. Suetsugu, T. Yokoi, K. Totsuka, T. Ono, I. Tanaka, S. Kasahara, Y. Kasahara, Z. Chengchao, H. Kageyama, Y. Matsuda. Intrinsic suppression of the topological thermal Hall effect in an exactly solvable quantum magnet. Physical Review B. 2022. 105. 2. 024415-1-024415-11
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Ji-Yao Chen, Jheng-Wei Li, Pierre Nataf, Sylvain Capponi, Matthieu Mambrini, Keisuke Totsuka, Hong-Hao Tu, Andreas Weichselbaum, Jan von Delft, Didier Poilblanc. Abelian SU(N)_1 chiral spin liquids on the square lattice. Physical Review B. 2021. 104. 23. 235104-1-235104-33
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S. Capponi, P. Fromholz, P. Lecheminant, K. Totsuka. Symmetry-protected topological phases in a two-leg SU(N) spin ladder with unequal spins. Physical Review B. 2020. 101. 19. 195121-1-195121-19
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Keisuke Totsuka. New Surprises from “Bamboo Baskets”. JPSJ News and Comments. 2020. 17. 03-03
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MISC (48)：
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太田卓見, 田中宗, 段下一平, 戸塚圭介. 一次元一般化クラスター模型の臨界性とダイナミクス. 日本物理学会講演概要集(CD-ROM). 2015. 70. 2. ROMBUNNO.17ACQ-11
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Totsuka Keisuke. 7pBF-8 SPT phases in SU(W) ultra-cold atoms in one dimension - their properties and order parameters. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 68-68
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Ohta Takumi, Totsuka Keisuke. 8pPSA-8 Entanglement in the random topological phase. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 134-134
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Totsuka Keisuke. 7pBF-8 SPT phases in SU(N) ultra-cold atoms in one dimension : their properties and order parameters. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 273-273
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Tanimoto K., Totsuka K. 28pAK-17 Topological phase and String order for one dimentional two orbital SU (N) fermion model in optical lattice. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 334-334
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Lectures and oral presentations (33)：
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SU(N) Kondo lattice model --ferromagnetism and supersymmetry
(SU(N) physics in condensed matter and cold atoms 2022)
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Designing topological gauge theories with quantum wires
(Entanglement in Strongly Correlated Systems 2021)
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Symmetry-protected topological phases with ultra-cold SU(N) fermions
(The Third Asia-Pacific workshop on Quantum Magnetism 2019)
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Symmetry-protected topological phases with ultra-cold SU(N) fermions
(The Fourth Kyoto-Beijing-Tokyo Workshop on Ultracold Atomic Gases 2019)
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Bulk properties and fluctuations in coupled-wire construction of Abelian topological phases
(seminar at Technical University Munich, Germany 2019)
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Professional career (1)：
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