Mott transition in the electron systems with geometrical frustration and/or Orbital degrees of freedom
Novel quantum phases in frustrated systems
Electron correlations in photo-excited semiconductors
Kondo effects in quantum dots
Finite-Temperature Mott Transition in Two-Dimensional Frustrated Hubbard Models
T. Ohashi, T. Momoi, H. Tsunetsugu, and N. Kawakami
Prog. Ther. Phys. Suppl., 176, 97 (2008).
Finite temperature Mott transition in Hubbard model on anisotropic triangular lattice
T. Ohashi, T. Momoi, H. Tsunetsugu, and N. Kawakami
Physical Review Letters, Vol. 100, pp. 076402-1-4 (2008).
Mott Transition in Kagome Lattice Hubbard Model
T. Ohashi, N. Kawakami, and H. Tsunetsugu
Physical Review Letters, Vol. 97, pp. 066401-1-4 (2006).
Magnetic properties of a Kondo insulator with RKKY interaction: Extended dynamical mean field study
T. Ohashi, S. Suga, and N. Kawakami
Journal of Physics: Condensed Matter, Vol. 17, pp. 4547-4558 (2005).
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).
Education:
March, 2001 B.E.
Department of Applied Physics, Osaka University
March, 2003 M.E.
Department of Applied Physics, Osaka University
March, 2006 Ph.D.
Department of Applied Physics, Osaka University
Professional Employment:
April, 2006 - March, 2007
Post-doc, Condensed Matter Theory Lab., RIKEN
April, 2007 - present
Assistant Professor, Department of Physics, Osaka University
Visiting Member, Condensed Matter Theory Lab., RIKEN