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大学院理学研究院
Researcher List
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Yukinori Ohta
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Yukinori Ohta
Name
Yukinori Ohta
URL
http://physics.s.chiba-u.ac.jp/ohtal/
Affiliation
Chiba University
Section
大学院理学研究院 物理学研究部門 量子多体系物理学講座
Job title
教授
Degree
Doctor of Engineering(Nagoya University)
Research funding number
70168954
ORCID ID
0000-0002-3032-1740
J-Global ID
200901081575950602
Research Interests
Excitonic Insulators
,
Transition Metal Compounds
,
Computational Physics
,
Strongly Correlated Electron Systems
,
Condensed Matter Theory
Research Areas
Natural sciences / Magnetism, superconductivity, and strongly correlated systems /
Research History
Apr 2007
-
Today
Chiba University
Apr 1995
-
Mar 2007
Chiba University Faculty of Science
Jan 1987
-
Mar 1995
Nagoya University School of Engineering
Apr 1984
-
Dec 1986
Nagoya University School of Engineering
Oct 1984
-
Sep 1985
SERC Research Fellow in Imperial College
Education
Apr 1979
-
Mar 1984
Nagoya University Graduate School, Division of Engineering Applied Physics
Apr 1975
-
Mar 1979
Nagoya University School of Engineering
Papers
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Zigzag chain order of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">LiVSe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> developing away from the vanadium trimer phase transition boundary
K. Kojima   N. Katayama   K. Sugimoto   N. Hirao   Y. Ohta   H. Sawa   
Physical Review B 108(9) Sep 2023
Phase Diagram of the Kitaev–Heisenberg Model Using Various Finite-Size Clusters
Masahiro Kadosawa   Masaaki Nakamura   Yukinori Ohta   Satoshi Nishimoto   
Journal of the Physical Society of Japan 92(5) May 2023
Study of Staggered Magnetization in the Spin-
S
Square-Lattice Heisenberg Model Using Spiral Boundary Conditions
Masahiro Kadosawa   Masaaki Nakamura   Yukinori Ohta   Satoshi Nishimoto   
Journal of the Physical Society of Japan 92(2) Feb 2023
One-dimensional projection of two-dimensional systems using spiral boundary conditions
Masahiro Kadosawa   Masaaki Nakamura   Yukinori Ohta   Satoshi Nishimoto   
PHYSICAL REVIEW B 107 Feb 2023
[Refereed]
Collective mode excitations and simulated L-edge resonant inelastic x-ray scattering spectra in antiferromagnetic Ca2RuO4
Shunsuke Yamamoto   Yukinori Ohta   Koudai Sugimoto   
Physical Review B 106(4) 045136 Jul 2022
[Refereed]
Misc.
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S=1ダイマー化XXZ鎖における臨界性
山口伴紀   江島聡   ESSLER F. H. L   LANGE F   太田幸則   FEHSKE H   
日本物理学会講演概要集(CD-ROM) 74(1) ROMBUNNO.14pS‐PS‐54 Mar 2019
有限温度変分クラスター法によるハバード模型の解析
西田尚央   藤内亮   杉本高大   太田幸則   
日本物理学会講演概要集(CD-ROM) 74(1) ROMBUNNO.17aG212‐8 Mar 2019
拡張Falicov‐Kimball模型における電子‐電子ペアリングの光誘起
藤内亮   金子竜也   柚木清司   柚木清司   柚木清司   太田幸則   
日本物理学会講演概要集(CD-ROM) 74(1) ROMBUNNO.17aK208‐6 Mar 2019
d‐p模型によるTa
2
NiSe
5
の励起子絶縁体転移
杉本高大   太田幸則   
日本物理学会講演概要集(CD-ROM) 74(1) ROMBUNNO.15pS305‐6 Mar 2019
光電子分光によるRuPの金属‐非磁性絶縁体転移の観測
大槻太毅   澤田慶   柴田大輔   川本雅人   吉田鉄平   SAINI N. L   溝川貴司   後藤広樹   小西健久   太田幸則   保井晃   池永英司   有田将司   生天目博文   谷口雅樹   平井大悟郎   高木英典   高木英典   
日本物理学会講演概要集(CD-ROM) 73(2) ROMBUNNO.11pB206‐5 Sep 2018
Presentations
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A New Half-Metallic Ferromagnet K2Cr8O16 Predicted by an Ab-Initio Electronic Structure Calculation
OHTA Yukinori   
Invited Talk at Institute of Theoretical Physics, Hannover Univ. 5 Aug 2009
[Invited]
A New Half-Metallic Ferromagnet K2Cr8O16 Predicted by an Ab-Initio Electronic Structure Calculation
太田 幸則   
International Conference on Magnetism (ICM2009) 26 Jul 2009
[Invited]
Spin and Density Excitations in the Triangular-Lattice t-J Model with Multiple-Spin Exchange Interactions: 3He on Graphite
太田 幸則   
International Workshop on Quantum Critical Phenomena and Novel Phases in Superclean Materials 10 Jan 2009
[Invited]
Disorder and Superconductivity in Doped Semiconductors
太田 幸則   
International Workshop on Superconductivity in Diamond and Related Materials 7 Jul 2008
[Invited]
B-doped diamond: Superconductivity without Fermi surface
OHTA Yukinori   
9 Jul 2006
[Invited]
Teaching Experience
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統計物理学演習II (千葉大学)
凝縮系物理学特論III (千葉大学)
凝縮系物理学特論 (千葉大学)
量子力学基礎(3) (千葉大学)
凝縮系物理学 (千葉大学)
Professional Memberships
アメリカ物理学会(American Physical Society)
日本物理学会
Works
Theoretical and computational condensate matter physics on strong electron correlations
Yukinori Ohta
Research Projects
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Theory of preformed pair states and nonequilibrium dynamics in materials with strong-coupling excitonic condensation
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2020 - Mar 2024
自己組織化分子のスローダイナミクスが生み出す無機柔粘性結晶の開拓
日本学術振興会: 科学研究費助成事業片山 尚幸 山内 徹 齋藤 晃 太田 幸則 
Project Year: Apr 2020 - Mar 2023
Theoretical perspectives on novel quantum phases generated by excitonic condensation
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)Yukinori Ohta 
Project Year: Apr 2017 - Mar 2020
Microscopic theories on the excitonic Bose condensation and superconductivity in strongly correlated systems
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)OHTA Yukinori YAMADA Atsushi KONISHI Takehisa SEKI Kazuhiro KANEKO Tatsuya SUGIMOTO Koudai NISHIMOTO Satoshi EJIMA Satoshi FEHSKE Holger 
Project Year: Apr 2014 - Mar 2017
強相関電子系の低エネルギー励起に関する数値的研究
文部科学省: 科学研究費補助金(重点領域研究)太田 幸則 
Project Year: Apr 1995 - Mar 2016
Other
電子正孔間の強い引力相互作用が導く新しい絶縁体状態の創出
Jun 2018 - Jun 2018
ニュースリリース 千葉大学 先進科学センター・大学院理学研究院
https://www.cfs.chiba-u.ac.jp/topics/180614/20180614ohta.pdf
絶縁と強磁性 共存解明 千葉大 電子素子開発に期待
Jan 2012 - Jan 2012
日経産業新聞 2012年1月4日朝刊9頁
強磁性のまま絶縁体の酸化物 千葉大など仕組み解明
Dec 2011 - Dec 2011
日刊工業新聞 2011年12月27日朝刊18頁
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