Finite size effects for the Ising model
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Julien BarrΓ©; Antonia Ciani; Duccio Fanelli; Franco Bagnoli; Stefano Ruffo
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Article
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2009
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Elsevier Science
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English
β 884 KB
We investigate the finite size corrections to the equilibrium magnetization of an Ising model on a random graph with N nodes and N Ξ³ edges, with 1 < Ξ³ β€ 2. By conveniently rescaling the coupling constant, the free energy is made extensive. As expected, the system displays a phase transition of the m