Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4557
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dc.contributor.authorSabhapandit, Sanjib-
dc.contributor.authorShukla, Prabodh-
dc.contributor.authorDhar, Deepak-
dc.date.accessioned2012-05-30T06:07:07Z-
dc.date.available2012-05-30T06:07:07Z-
dc.date.issued2000-
dc.identifier.citationJournal of Statistical Physics, 2000, V.98, p103en
dc.identifier.issn0022-4715-
dc.identifier.issn1572-9613 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/4557-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractWe consider the zero-temperature single-spin-flip dynamics of the random-field Ising model on a Bethe lattice in the presence of an external field h. We derive the exact self-consistent equations to determine the distribution Prob(s) of avalanche sizes s, as the external field increases from large negative to positive values. We solve these equations explicitly for a rectangular distribution of the random fields for a linear chain and the Bethe lattice of coordination number z=3, and show that in these cases, Prob(s) decreases exponentially with s for large s for all h on the hysteresis loop. We found that for z >3 and for small disorder, the magnetization shows a first order discontinuity for several continuous and unimodel distributions of random fields. The avalanche distribution Prob(s) varies as s^{-3/2} for large s near the discontinuity.en
dc.language.isoenen
dc.publisherSpringer Verlagen
dc.relation.urihttp://arxiv.org/abs/cond-mat/9905236en
dc.relation.urihttp://adsabs.harvard.edu/abs/1999cond.mat..5236Sen
dc.rights2000, Springer Verlagen
dc.titleDistribution of Avalanche Sizes in the Hysteretic Response of Random Field Ising Model on a Bethe Lattice at Zero Temperatureen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

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