Paramagnetic tunneling state concept of the magnetic anomalies of amorphous insulators

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A generalized tunneling model of insulating glasses is formulated, considering tunneling states to be paramagnetic centers of spin 1/2. The expression for magnetic field dependent contribution into the free energy is obtained. The derivation is made of the expression for the nonmonotonic magnetic field dependence of dielectric constant, recently observed in several glasses in the millikelvin temperature range.
4 pages, 2 figures

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Disordered Systems and Neural Networks, Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/26839

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0509116
 http://arxiv.org/abs/cond-mat/0509116

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arXiv