Mesonic screening masses at high temperature and finite density

Details Mesonic screening masses at high temperature and finite density Mesonic screening masses at high temperature and finite density

2007-01-30

arxiv.org/abs/hep-ph/0701250v2

JHEP 0703:022,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 5 figures, JHEP style. Minor corrections and clarifications, version to appear in JHEP

Scientific paper

10.1088/1126-6708/2007/03/022

We compute the first perturbative correction to the static correlation lengths of light quark bilinears in hot QCD with finite quark chemical potentials. The correction is small and positive, with mu-dependence depending on the relative sign of chemical potentials and the number of dynamical flavors. The computation is carried out using a three-dimensional effective theory for the lowest fermionic Matsubara mode. We also compute the full correlator in free theory and find a rather complicated general mu-dependence at shorter distances. Finally, rough comparisons with lattice simulations are discussed.

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