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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/14607

Title: On the non-Boltzmannian nature of quasi-stationary states in long-range interacting systems
Other Titles: Physica A: Statistical Mechanics and its Applications
Authors: Tsallis, Constantino
Rapisarda, Andrea
Pluchino, Alessandro
Borges, Ernesto Pinheiro
Keywords: Metastability in Hamiltonian dynamics;Long-range interactions;Non-extensive statistical mechanics
Issue Date: 2007
Abstract: We discuss the non-Boltzmannian nature of quasi-stationary states in the Hamiltonian mean field (HMF) model, a paradigmatic model for long-range interacting classical many-body systems. We present a theorem excluding the Boltzmann–Gibbs exponential weight in Gibbs Γ-space of microscopic configurations, and comment a paper recently published by Baldovin and Orlandini [Phys. Rev. Lett. 96 (2006) 240602]. On the basis of the points here discussed, the ongoing debate on the possible application, within appropriate limits, of the generalized q-statistics to long-range Hamiltonian systems remains open.
Description: Texto completo: acesso restrito. p. 143-147
URI: http://repositorio.ufba.br/ri/handle/ri/14607
ISSN: 0378-4371
Appears in Collections:Artigos Publicados em Periódicos (FIS)

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