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7 papers · 1 filter
Color Superfluid and Trionic State of Attractive Three-Component Lattice Fermionic Atoms at Finite Temperatures
Kensuke Inaba, Sei-ichiro Suga
We investigate the finite-temperature properties of attractive three-component (colors) fermionic atoms in optical lattices using a self-energy functional approach. As the strength…
Edge states in the three-quarter filled system, -(BEDT-TTF)I
Yasumasa Hasegawa, Keita Kishigi
We study the edge states in the two-dimensional conductor -(BEDT-TTF)I theoretically. We show that the Dirac points and the edge states appear at the 3/4 and 1/4 filling…
Mott Transitions of Three-Component Fermionic Atoms with Repulsive Interaction in Optical Lattices
Kensuke Inaba, Shin-ya Miyatake, Sei-ichiro Suga
We investigate the Mott transitions of three-component (colors) repulsive fermionic atoms in optical lattices using the dynamical mean field theory. We find that for SU(3) symmetry…
Scaling Relation for Excitation Energy Under Hyperbolic Deformation
Hiroshi Ueda, Hiroki Nakano, Koichi Kusakabe +1
We introduce a one-parameter deformation for one-dimensional (1D) quantum lattice models, the hyperbolic deformation, where the scale of the local energy is proportional to cosh la…
Magnetization Process of Kagome-Lattice Heisenberg Antiferromagnet
Hiroki Nakano, Toru Sakai
The magnetization process of the isotropic Heisenberg antiferromagnet on the kagome lattice is studied. Data obtained from the numerical-diagonalization method are reexamined from…
Increase in d-Wave Superconducting Transition Temperature near Imperfect Layer in Correlated Electron System
Tetsu Nobukuni, Hirono Kaneyasu, Nobuyuki Shima +1
The effect of the site potential in an imperfect layer is studied in a d-wave layer superconductor on the basis of the electron correlation. The site potential binds electrons to t…