Mesonic screening masses at high temperature and finite density | Zendy

M. Vepsäläinen | Zendy

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Mesonic screening masses at high temperature and finite density

Author(s) -

M. Vepsäläinen

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/03/022

Subject(s) - computation , sign (mathematics) , physics , quantum chromodynamics , lattice (music) , quark , statistical physics , quantum electrodynamics , quantum mechanics , mathematics , mathematical analysis , algorithm , acoustics

We compute the first perturbative correction to the static correlationlengths of light quark bilinears in hot QCD with finite quark chemicalpotentials. The correction is small and positive, with mu-dependence dependingon the relative sign of chemical potentials and the number of dynamicalflavors. The computation is carried out using a three-dimensional effectivetheory for the lowest fermionic Matsubara mode. We also compute the fullcorrelator in free theory and find a rather complicated general mu-dependenceat shorter distances. Finally, rough comparisons with lattice simulations arediscussed.Comment: 24 pages, 5 figures, JHEP style. Minor corrections and clarifications, version to appear in JHE

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