TY  - JOUR
AU  - Liebsch, A.
TI  - Novel Mott transitions in a nonisotropic two-band Hubbard model
JO  - Physical review letters
VL  - 95
SN  - 0031-9007
CY  - College Park, Md.
PB  - APS
M1  - PreJuSER-48851
SP  - 116402
PY  - 2005
N1  - Record converted from VDB: 12.11.2012
AB  - The Mott transition in a two-band Hubbard model involving subbands of different widths is studied as a function of temperature using dynamical mean field theory combined with exact diagonalization. The phase diagram is shown to exhibit two successive first-order transitions if the full Hund's rule coupling is included. In the absence of spin-flip and pair-exchange terms the lower transition remains first-order while the upper becomes continuous.
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000231802000048
DO  - DOI:10.1103/PhysRevLett.95.116402
UR  - https://juser.fz-juelich.de/record/48851
ER  -