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郑小平
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期刊论文
Bulk viscosity of strange quark matter in density-dependent quark mass model and dissipation of r-modes in strange stars
，-0001，（）：
We study the bulk viscosity of strange quark matter (SQM) in density dependent quark mass model(DDQM) under the background of self-consistent thermodynamics. The correct formulae, with which the viscosity can be evaluated, are derived. We also find that the viscosity in DDQM can be higher by 2 to 3 orders of magnitude than MIT bag model. We calculate the damping time scales due to viscosity coupled to r-modes. The numerical results show the time scale can't be shorter than 10-1s.
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