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Off-equilibrium fluctuation-dissipation relations in the 3d Ising Spin Glass in a magnetic field

A. Cruz, L. A. Fernandez, S. Jimenez, J. J. Ruiz-Lorenzo, A. Tarancon

cond-mat.dis-nnarXiv:cond-mat/0209350

Abstract

We study the fluctuation-dissipation relations for a three dimensional Ising spin glass in a magnetic field both in the high temperature phase as well as in the low temperature one. In the region of times simulated we have found that our results support a picture of the low temperature phase with broken replica symmetry, but a droplet behavior can not be completely excluded.

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