School personnel information

写真b

OHHASHI Takuma


Keyword

condensed matter theory, strongly correlated electron systems

Mail Address

Mail Address

URL

http://wwwacty.phys.sci.osaka-u.ac.jp/~ohashi/index_e.html

Gender

Male

Organization 【 display / non-display

  • 2007.04.01 - , Department of Physics, Graduate School of Science, Assistant Professor

Education 【 display / non-display

Osaka University Faculty of Engineering Department of Applied Science Graduated Bachelor of Engineering 2001.03
Osaka University Graduate School, Division of Engineering Department of Applied Physics Completed Master of Engineering 2003.03
Osaka University Graduate School, Division of Engineering Department of Applied Physics Completed Doctor of Engineering 2006.03

Employment Record 【 display / non-display

RIKEN Postdoctoral 2006.04 - 2007.03
Visiting Member, Condensed Matter Theory Lab., RIKEN 2007.04 -
Assistant Professor, Department of Physics, Osaka University 2007.04 -

Research topics 【 display / non-display

  • Theoretical study on strongly correlated electron systems. (1)Metal-insulator transition and magnetism in itinerant electron systems. Effects of geometrical and orbital frustration. (2)Novel quantum ordering in frustrated spin systems. (3)Mott transition and quantum condensation in electron-hole systems. (4)Nanoscale electron systems such as quantum dots.
    Mathematical physics and fundamental theory of condensed matter physics-related, Mathematical physics and fundamental theory of condensed matter physics-related

Academic Society Membership 【 display / non-display

  • The Physical Society of Japan

 

Academic Papers 【 display / non-display

  • Finite temperature Mott transition in Hubbard model on anisotropic triangular lattice, T. Ohashi, T. Momoi, H. Tsunetsugu, N. Kawakami, Physical Review Letters,Vol. 100, pp. 076402-1-4, 2008.02, Papers

  • Mott Transition in Kagome Lattice Hubbard Model, T. Ohashi, N. Kawakami, and H. Tsunetsugu, Physical Review Letters,Vol. 97, pp. 066401-1-4, 2006.08, Papers

  • Finite-Temperature Mott Transition in Two-Dimensional Frustrated Hubbard Models, Takuma Ohashi, Tsutomu Momoi, Hirokazu Tsunetsugu, Norio Kawakami, Progress of Theoretical Physics Suppliment,176, 97, 2009.02, Review Papers

  • Field-induced phase transitions in a Kondo insulator, T. Ohashi, A. Koga, S. Suga, and N. Kawakami, Physical Review B,Vol. 70, pp. 245104-1-6, 2004.12, Papers

  • Field-induced Mott Transition in Kagome Lattice Hubbard Model, Tomoko Kita, Takuma Ohashi and Norio Kawakami, Physical Review B ,87, No.15, 155119, 2013.04, http://dx.doi.org/doi:10.1103/PhysRevB.87.155119, Papers

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