Rchr
J-GLOBAL ID:200901071507527445
Update date: Oct. 07, 2024
Nishiyama Yoshihiro
ニシヤマ ヨシヒロ | Nishiyama Yoshihiro
Affiliation and department:
Job title:
Assistant Professor
Research field (1):
Mathematical physics and basic theory
Research keywords (2):
相転移 多体問題
, 相転移 多体問題
Research theme for competitive and other funds (6):
Papers (15):
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Yoshihiro Nishiyama. XY-VBS phase boundary for the square-lattice $$J_1$$-$$J_2$$ XXZ model with the ring exchange. The European Physical Journal B. 2024. 97. 10
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Yoshihiro Nishiyama. Transverse-field XY spin chain with the competing long-range interactions: multi-criticality around the XX-symmetric point. Journal of Statistical Mechanics: Theory and Experiment. 2023. 2023. 8. 083102-083102
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Yoshihiro Nishiyama. End-point singularity of the XY-paramagnetic phase boundary for the $$(2+1)$$D $$S=1$$ square-lattice $$J_1$$-$$J_2$$ XY model with the single-ion anisotropy. The European Physical Journal B. 2023. 96. 7
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Yoshihiro Nishiyama. Criticality of the excess energy cost due to the unit-flux-quantum external field for the (2 + 1)D superfluid-insulator transition. Journal of Statistical Mechanics: Theory and Experiment. 2022. 2022. 3. 033102-033102
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Yoshihiro Nishiyama. Fidelity-mediated analysis of the transverse-field XY chain with the long-range interactions: anisotropy-driven multi-criticality. The European Physical Journal B. 2021. 94. 11
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MISC (83):
Lectures and oral presentations (31):
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二次元反強磁性イジング模型における虚数磁場フィデリティ感受率の計算
(日本物理学会第74回年次大会 2020)
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長距離相互作用量子イジング鎖におけるマグノン束縛状態の臨界現象
(日本物理学会2018年秋季大会 2018)
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二次元量子ポッツ模型の秩序相の素励起ヒエラルキー
(日本物理学会第72回年次大会 2017)
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(d,m)=(3,2)型リフシッツ点の臨界性:2+1次元gonihedric模型
(日本物理学会第62回年次大会 2007)
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d=5イジング模型の有限サイズスケーリング:ハイパースケーリングの破れの影響
(日本物理学会2007年春季大会 2007)
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Professional career (1):
Association Membership(s) (1):
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