Equilibrium distribution of heavy quarks in Fokker-Planck dynamics

D. Brian Walton, Johann Rafelski

Research output: Contribution to journalArticlepeer-review

136 Scopus citations


We obtain an explicit generalization, within Fokker-Planck dynamics, of Einstein's relation between drag, diffusion, and the equilibrium distribution for a spatially homogeneous system, considering both the transverse and longitudinal diffusion for dimension n>1. We provide a complete characterization of the equilibrium distribution in terms of the drag and diffusion transport coefficients. We apply this analysis to charm quark dynamics in a thermal quark-gluon plasma for the case of collisional equilibration.

Original languageEnglish (US)
Pages (from-to)31-34
Number of pages4
JournalPhysical review letters
Issue number1
StatePublished - 2000

ASJC Scopus subject areas

  • General Physics and Astronomy


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