Electromagnetic Debye mass within Gribov-Zwanziger action
arXiv:2307.09656 · doi:10.1088/1361-6471/ad858e
Abstract
In the present study we have investigated the electromagnetic Debye mass by computing the static limit of the temporal component of the one-loop photon polarization tensor involving effective quarks in the loop. These effective quarks have been considered within the Gribov-Zwanziger action, thereby incorporating the necessary non-perturbative effects. As an academic exercise, we have also shown one of the applications of this Gribov modified Debye mass by using it to evaluate the real and imaginary parts of the heavy quark potential in a QED system. This computation of the electromagnetic Debye mass and the corresponding estimations of the heavy quark potential can be seen as stepping stones in the direction of further practical QCD calculations in the non perturbative domain.
arXiv comment9 pages, 5 figures ; Published in Journal of Physics G: Nuclear and Particle Physics
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