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cond-mat1996★ 5 cited
On Metal-Insulator Transitions due to Self-Doping
Stefan Blawid, Hoangh Anh Tuan, Takashi Yanagisawa +1
We investigate the influence of an unoccupied band on the transport properties of a strongly correlated electron system. For that purpose, additional orbitals are coupled to a Hubb…
cond-mat1995
Spin-reflection positivity of the Kondo lattice at half-filling
T. Yanagisawa, Y. Shimoi
We examine the spin-reflection positivity of the ground state of the Kondo lattice model at half-filling with the antiferromagnetic and ferromagnetic exchange couplings . Fo…