High temperature superconductivity from the two-dimensional semiconductors without magnetism

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We examine the possibility of high temperature superconductivity from two-dimensional semiconductor without antiferromagnetic fluctuations. The weak coupling BCS theory is applied, especially where the Fermi level is near the bottom of the conduction band. Due to screening, the attractive interaction is local in k-space. The density of states(DOS) does not have a peak near the bottom of the band, but k-dependent contribution to DOS has a diverging peak at the bottom. These features lead to high temperature superconductivity which may explain the possible superconductivity of WO_3.
4pages,3figures

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/16101

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0003002
 http://arxiv.org/abs/cond-mat/0003002

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arXiv