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Physics  2014 

Vector screening masses in the quark-gluon plasma and their physical significance

DOI: 10.1016/j.nuclphysa.2014.09.071

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Static and non-static thermal screening states that couple to the conserved vector current are investigated in the high-temperature phase of QCD. Their masses and couplings to the current are determined at weak coupling, as well as using two-flavor lattice QCD simulations. A consistent picture emerges from the comparison, providing evidence that non-static Matsubara modes can indeed be treated perturbatively. We elaborate on the physical significance of the screening masses.


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