Causal baryon diffusion and colored noise for heavy ion collisions

J. I. Kapusta, C. Young

Research output: Contribution to journalArticlepeer-review

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Abstract

We construct a model for baryon diffusion which has the desired properties of analyticity and causality. The model also has the desired property that the noise correlation function is not a Dirac delta function in space and time. The model depends on three time constants in addition to the diffusion constant. This description can be incorporated into 2nd order viscous hydrodynamical models of heavy ion collisions.

Original languageEnglish (US)
Pages (from-to)1051-1055
Number of pages5
JournalNuclear Physics A
Volume931
DOIs
StatePublished - Nov 1 2014

Bibliographical note

Funding Information:
This work was supported by the U.S. DOE Grant No. DE-FG02-87ER40328 .

Publisher Copyright:
© 2014 Elsevier B.V.

Keywords

  • Baryon current
  • Causality
  • Diffusion
  • Noise

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