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W.A. Van Leeuwen et al, Physica A
1972
Earlier work this paper cites.
W.A. Van Leeuwen et al, Physica A
Original
1972
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S. Gavin, Nucl. Phy. A 435, 826
1985
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J. I. Kapusta, ArXiv :0809.3746v2
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M. Prakash, M. Prakash, R. Venugopalan and G. Welke, Phys. Rept. 227
1993
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2009

Bulk Viscosity of Interacting Hadrons

Wiranata, A., Prakash, M.

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We show that first approximations to the bulk viscosity $\eta_v$ are expressible in terms of factors that depend on the sound speed $v_s$, the enthalpy, and the interaction (elastic and inelastic) cross section.

The explicit dependence of $\eta_v$ on the factor $(\frac 13 - v_s^2)$ is demonstrated in the Chapman-Enskog approximation as well as the variational and relaxation time approaches.
The interesting feature of bulk viscosity is that the dominant contributions at a given temperature arise from particles which are neither extremely nonrelativistic nor extremely relativistic.
Numerical results for a model binary mixture are reported.