Quantitative Determination of a Microscopic Mechanism of High Tc Superconductivity

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Within the t-J model of copper-oxides, the condensation energy can be related to the change in the dynamical spin structure factor between the superconducting and the normal states. By analyzing previous experimental data, we show that the change associated with the resonant neutron scattering peak found in $YBa_2Cu_3O_7$ can quantitatively account for the condensation energy. We argue that this analysis suggests a microscopic mechanism for high Tc superconductivity.
final version, 11 pages, LATEX

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Strongly Correlated Electrons, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/28391

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9806336
 http://arxiv.org/abs/cond-mat/9806336
 Nature 396, 733-735 (1998)

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arXiv