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cond-mat2000★ 12 cited
Relationship between spiral and ferromagnetic states in the Hubbard model in the thermodynamic limit
Ryotaro Arita, Hideo Aoki
We explore how the spiral spin(SP) state, a spin singlet known to accompany fully-polarized ferromagnetic (F) states in the Hubbard model, is related with the F state in the thermo…
cond-mat2000★ 18 cited
Magnetic properties of the Hubbard model on three-dimensional lattices: fluctuation-exchange and two-particle self-consistent studies
Ryotaro Arita, Shigeki Onoda, Kazuhiko Kuroki +1
The relation between three-dimensional lattice structure and magnetism in correlated electron systems is explored for face centered cubic (FCC), body centered cubic (BCC), and simp…
cond-mat2000★ 62 cited
d- and p-wave superconductivity mediated by spin fluctuations in two- and three-dimensional single-band repulsive Hubbard model
Ryotaro Arita, Kazuhiko Kuroki, Hideo Aoki
We have systematically studied superconducting instabilities in the repulsive Hubbard model for d-wave and p-wave pairing in various 2D and 3D lattices. Using fluctuation exchange…