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Numerically exact solvable random-bond Ising model

Morgenstern, Ingo (1981) Numerically exact solvable random-bond Ising model. Zeitschrift für Physik B; Condensed matter 41 (2), pp. 147-151.

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Exact free energies are calculated numerically for aL×L-Ising lattice (LlE800) with constant nearest neighbour coupling between adjacent columns and random n.n. coupling between adjacent rows. For the latter a gaussian and a double-peaked delta-distribution are investigated. The result should be useful as a check of the controversially discussed replica trick [1]. In agreement with the numerical treatment a mean field approximation shows a transition to a spinglass phase.

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Item type:Article
Institutions:Physics > Institute of Theroretical Physics > Professor Morgenstern
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Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:16250
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