Electron spectra close to a metal-to-insulator transition

Details Electron spectra close to a metal-to-insulator transition Electron spectra close to a metal-to-insulator transition

2005-07-06

arxiv.org/abs/cond-mat/0507132v2

Physical Review B 72(11), 113110 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

RevTeX 4, 4 pages, 4 eps figures; published version

Scientific paper

10.1103/PhysRevB.72.113110

A high-resolution investigation of the electron spectra close to the metal-to-insulator transition in dynamic mean-field theory is presented. An all-numerical, consistent confirmation of a smooth transition at zero temperature is provided. In particular, the separation of energy scales is verified. Unexpectedly, sharp peaks at the inner Hubbard band edges occur in the metallic regime. They are signatures of the important interaction between single-particle excitations and collective modes.

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