Momentum cumulants, local equilibrium and stochastic thermostats

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2 Citations (Scopus)


We quantitatively investigate the behavior of momentum cumulants in the φ{symbol}4 theory under thermal gradients, using stochastic thermostats. We relate this to the violations of local equilibrium. The non-equilibrium behavior is found to be quite well described by a dependence ∼ (∇ T)2, on the temperature gradient. Dependence of the quantities on the thermostat type is analyzed and its physical implications are discussed.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Issue number1-2
Publication statusPublished - 2007 Aug 13

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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