Hybridisation in two-band Hubbard models with different bandwidths

Autor: Buenemann, Joerg, Rasch, David, Gebhard, Florian
Rok vydání: 2007
Předmět:
Zdroj: J. Phys.: Condens. Matter 19, 436206 (2007)
Druh dokumentu: Working Paper
DOI: 10.1088/0953-8984/19/43/436206
Popis: 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.
Comment: 11 pages, 12 figures, submitted to Journal of Physics: Condensed Matter
Databáze: arXiv