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000048851 0247_ $$2DOI$$a10.1103/PhysRevLett.95.116402
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000048851 084__ $$2WoS$$aPhysics, Multidisciplinary
000048851 1001_ $$0P:(DE-Juel1)VDB941$$aLiebsch, A.$$b0$$uFZJ
000048851 245__ $$aNovel Mott transitions in a nonisotropic two-band Hubbard model
000048851 260__ $$aCollege Park, Md.$$bAPS$$c2005
000048851 300__ $$a116402
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000048851 440_0 $$04925$$aPhysical Review Letters$$v95$$x0031-9007
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000048851 520__ $$aThe 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.
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000048851 8567_ $$uhttp://hdl.handle.net/2128/1423$$uhttp://dx.doi.org/10.1103/PhysRevLett.95.116402
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