Hybridisation in two-band Hubbard models with different bandwidths

Details Hybridisation in two-band Hubbard models with different bandwidths Hybridisation in two-band Hubbard models with different bandwidths

2007-07-06

arxiv.org/abs/0707.0965v1

J. Phys.: Condens. Matter 19, 436206 (2007)

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 12 figures, submitted to Journal of Physics: Condensed Matter

Scientific paper

10.1088/0953-8984/19/43/436206

We investigate the orbital selective Mott transition in two-band Hubbard
models by means of the Gutzwiller variational theory. In particular, we study
the influence of a finite local hybridisation between electrons in different
orbitals on the metal-insulator transition.

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