Causal baryon diffusion and colored noise for heavy ion collisions

J. I. Kapusta; C. Young

doi:10.1016/j.nuclphysa.2014.08.095

Causal baryon diffusion and colored noise for heavy ion collisions

J. I. Kapusta, C. Young

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

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 language	English (US)
Pages (from-to)	1051-1055
Number of pages	5
Journal	Nuclear Physics A
Volume	931
DOIs	https://doi.org/10.1016/j.nuclphysa.2014.08.095
State	Published - Nov 1 2014

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Publisher Copyright:
© 2014 Elsevier B.V.

Keywords

Baryon current
Causality
Diffusion
Noise

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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.",

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AU - Young, C.

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AB - 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.

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KW - Causality

KW - Diffusion

KW - Noise

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Causal baryon diffusion and colored noise for heavy ion collisions

Abstract

Bibliographical note

Keywords

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