Electron spectra close to a metal-to-insulator transition

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

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/95478

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0507132
 http://arxiv.org/abs/cond-mat/0507132
 Physical Review B 72(11), 113110 (2005)
 doi:10.1103/PhysRevB.72.113110

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arXiv