The role of quark mass in cold and dense pQCD and quark stars

Details The role of quark mass in cold and dense pQCD and quark stars The role of quark mass in cold and dense pQCD and quark stars

2005-09-27

arxiv.org/abs/hep-ph/0509304v1

Nucl.Phys. A774 (2006) 819-822

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, contribution to QM2005 proceedings

Scientific paper

10.1016/j.nuclphysa.2006.06.143

For almost twenty years the effects of a nonzero strange quark mass on the equation of state of cold and dense QCD were considered to be negligible, thereby yielding only minor corrections to the mass-radius diagram of compact stars. By computing the thermodynamic potential to first order in \alpha_s, and including the effects of the renormalization group running of the coupling and strange quark mass, we show that corrections can be of the order of 25%, and dramatically affect the structure of compact stars.

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