Shows how symmetry energy influences bulk viscosity in neutrino-transparent nuclear matter, suggesting strong implications for neutron stars.
We show that for neutrino-transparent npe matter, the equation-of-state dependence of bulk-viscous transport coefficients can be completely determined by the nuclear symmetry energy. We also show that changes in the symmetry energy slope L can result in orders of magnitude changes in the bulk viscosity.
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Yang et al. (2026) studied this question.
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