Statistical mechanics of Ising chains in random magnetic fields

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.16119

Morgenstern, Ingo ; Binder, Kurt ; Baumgärtner, Arthur

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Veröffentlichungsdatum dieses Volltextes: 09 Aug 2010 12:29

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For a model of heteropolymer ’’melting,’’ we study an Ising model where the field on each spin can randomly take one of the two values H±h. Several numerical methods for the calculation of the free energy and its derivatives are developed, making use of a transfer matrix representation of the partition function and mathematical theorems on random matrices due to Bellman. Monte Carlo computations ...