Non-Fermi behavior of the disorder electronic system

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We showed that an electronic system with weak disorder considered in the finite-charge infinite U Hubbard model can present a non-Fermi behavior. The imaginary pert of the self-energy has been calculated and a linear temperature dependence was obtained. This result is in agreement with the non-Fermi behavior observed at the insulator-metal crossover in La_{2-x}Sr_xCuO_4.

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/29223

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9904174
 http://arxiv.org/abs/cond-mat/9904174

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arXiv