Nonequilibrium microscopic distribution of thermal current in particle systems

Satoshi Yukawa, Takashi Shimada, Fumiko Ogushi, Nobuyasu Ito

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A nonequilibrium distribution function of microscopic thermal current is studied by a direct numerical simulation in a thermal conducting steady state of particle systems. Two characteristic temperatures of the thermal current are investigated on the basis of the distribution. It is confirmed that the temperature depends on the current direction; Parallel temperature to the heat-flux is higher than antiparallel one. The difference between the parallel temperature and the antiparallel one is proportional to a macroscopic temperature gradient.

Original languageEnglish
Article number023002
Journaljournal of the physical society of japan
Issue number2
Publication statusPublished - 2009 Feb
Externally publishedYes


  • Current distribution
  • Nonequilibrium steady state
  • Particle system
  • Thermal transport

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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