A new approach to bulk viscosity in strange quark matter at high densities

Details A new approach to bulk viscosity in strange quark matter at high densities A new approach to bulk viscosity in strange quark matter at high densities

2008-12-18

arxiv.org/abs/0812.3469v2

J. Phys. G: Nucl. Part. Phys. 36 064050 (2009)

Astronomy and Astrophysics

Astrophysics

7pages, talk given in SQM2008. Minor revisions, including clarification and updated references

Scientific paper

10.1088/0954-3899/36/6/064050

A new method is proposed to compute the bulk viscosity in strange quark
matter at high densities. Using the method it is straightforward to prove that
the bulk viscosity is positive definite, which is not so easy to accomplish in
other approaches especially for multi-component fluids like strange quark
matter with light up and down quarks and massive strange quarks.

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