Absence of an Almeida-Thouless line in Three-Dimensional Spin Glasses

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We present results of Monte Carlo simulations of the three-dimensional Edwards-Anderson Ising spin glass in the presence of a (random) field. A finite-size scaling analysis of the correlation length shows no indication of a transition, in contrast to the zero-field case. This suggests that there is no Almeida-Thouless line for short-range Ising spin glasses.
4 pages, 4 figures, 1 table

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/97378

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0407031
 http://arxiv.org/abs/cond-mat/0407031
 Phys. Rev. Lett. 93, 207203 (2004)
 doi:10.1103/PhysRevLett.93.207203

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arXiv