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Aging and fluctuation dissipation ratio for the diluted Ising model

Pasquale Calabrese
(
- Pisa, Scuola Normale Superiore and
- INFN, Pisa
)
,
Andrea Gambassi
(
- Pisa, Scuola Normale Superiore and
- INFN, Pisa
)

Jul, 2002

4 pages

Published in:

Phys.Rev.B 66 (2002) 212407

e-Print:

cond-mat/0207487 [cond-mat.stat-mech]

DOI:

10.1103/PhysRevB.66.212407

View in:

ADS Abstract Service

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Abstract: (arXiv)

We consider the out-of-equilibrium, purely relaxational dynamics of a weakly diluted Ising model in the aging regime at criticality. We derive at first order in a

\sqrt{\epsilon}

expansion the two-time response and correlation functions for vanishing momenta. The long-time limit of the critical fluctuation-dissipation ratio is computed at the same order in perturbation theory.

References(28)

Figures(3)

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