Mott Transitions in Multiorbital Systems
- 24 November 2003
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 91 (22), 226401
- https://doi.org/10.1103/physrevlett.91.226401
Abstract
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.Keywords
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