Behavior of Ising Spin Glasses in a Magnetic Field

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dc.creatorJorg, Thomas
dc.creatorKatzgraber, Helmut G.
dc.creatorKrzakala, Florent
dc.date2007-12-12
dc.date2008-05-13
dc.date.accessioned2026-07-07T09:38:08Z
dc.date.available2026-07-07T09:38:08Z
dc.descriptionWe study the existence of a spin-glass phase in a field using Monte Carlo simulations performed along a nontrivial path in the field--temperature plane that must cross any putative de Almeida-Thouless instability line. The method is first tested on the Ising spin glass on a Bethe lattice where the instability line separating the spin glass from the paramagnetic state is also computed analytically. While the instability line is reproduced by our simulations on the mean-field Bethe lattice, no such instability line can be found numerically for the short-range three-dimensional model.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0712.2009
dc.identifierhttp://arxiv.org/abs/0712.2009
dc.identifierPhys. Rev. Lett. 100, 197202 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.197202
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160702
dc.subjectDisordered Systems and Neural Networks
dc.titleBehavior of Ising Spin Glasses in a Magnetic Field
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