Interface energies in Ising spin glasses

T. Aspelmeier, M. A. Moore, and A.P. Young
Phys. Rev. Lett. 90, 127202 (2003), cond-mat/0209290

Abstract
The replica method has been used to calculate the interface free energy associated with the change from periodic to anti-periodic boundary conditions in finite-dimensional spin glasses. At mean-field level the interface free energy vanishes but after allowing for fluctuation effects, a non-zero interface free energy is obtained which is significantly different from numerical expectations.

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