Free energy fluctuations in Ising spin glasses

Details Free energy fluctuations in Ising spin glasses Free energy fluctuations in Ising spin glasses

2002-11-29

arxiv.org/abs/cond-mat/0211707v1

Phys. Rev. Lett. 90, 177201 (2003)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.90.177201

The sample-to-sample fluctuations of the free energy in finite-dimensional Ising spin glasses are calculated, using the replica method, from higher order terms in the replica number $n$. It is shown that the Parisi symmetry breaking scheme does not give the correct answers for these higher order terms. A modified symmetry breaking scheme with the same stability is shown to resolve the problem.

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