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About: Spherical model     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatExactlySolvableModels, within Data Space : dbpedia.org associated with source document(s)

Type: personyago:WikicatLatticeModelsyago:Assistant109815790yago:CausalAgent100007347yago:LivingThing100004258yago:Model110324560yago:Object100002684yago:Organism100004475yago:Person100007846yago:PhysicalEntity100001930yago:Worker109632518yago:YagoLegalActoryago:YagoLegalActorGeoyago:Whole100003553yago:WikicatExactlySolvableModels New Facet based on Instances of this Class

The spherical model is a model of ferromagnetism similar to the Ising model, which was solved in 1952 by T. H. Berlin and M. Kac. It has the remarkable property that for linear dimension d greater than four, the critical exponents that govern the behaviour of the system near the critical point are independent of d and the geometry of the system. It is one of the few models of ferromagnetism that can be solved exactly in the presence of an external field.