Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2006-05-20
Europhysics News 37/2 (2006) 10
Physics
Condensed Matter
Statistical Mechanics
Revtex, 2 pages no figures
Scientific paper
In the comment by T.Dauxois et al.,(cond-mat/0605445), the authors question our application of the nonextensive statistical mechanics proposed by Tsallis, to explain the anomalous dynamics of the Hamiltonian Mean Field (HMF) model. More specifically they claim that the explanation of the metastability found in the out-of-equilibrium dynamics is only a fitting procedure and is also in contrast with a previous application. This criticism mostly relies on recent studies based on the Vlasov approach, where the authors claim to explain the anomalous behaviour of the HMF model in terms of a standard formalism. In order to reply to this comment we want to stress a few numerical facts and conclude with some final considerations. A recent paper by P-H. Chavanis (cond-mat/0604234) is also important to clarify the question here debated.
Pluchino Alessandro
Rapisarda Andrea
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