Mott transitions in multiorbital systems.
نویسنده
چکیده
Using the dynamical mean field theory it is shown that interorbital Coulomb interactions in nonisotropic multiorbital materials give rise to a single Mott transition. Nevertheless, narrow and wide subbands exhibit different excitation spectra in the metallic and insulating phases. The close analogy between "multigap" insulating behavior and multigap superconductivity is pointed out.
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ورودعنوان ژورنال:
- Physical review letters
دوره 91 22 شماره
صفحات -
تاریخ انتشار 2003