On plasmon contribution to the hot A_0 condensate
High Energy Physics - Phenomenology
2020-02-13 v1
Abstract
In SU(2) gluodynamics, the Debye gluon contribution W_D(A_0) to the effective action of the temporal gauge field component, A_0 = const, at high temperature is calculated in the background R^{xi} gauge. It is shown that at nonzero A_0 the standard definition k_0 = 0, |k| -> 0 corresponds to long distance correlations for the longitudinal in internal space gluons. The transversal gluons become screened by the A_0 background field. Therefore they give zero contributions and have to be excluded from the correlation corrections. The total effective action accounting for the one-loop, two-loop and correct W_D(A_0) satisfies Nielsen's identity that proves gauge invariance of the A_0 condensation phenomenon.
Cite
@article{arxiv.2002.05008,
title = {On plasmon contribution to the hot A_0 condensate},
author = {O. A. Borisenko and V. V. Skalozub},
journal= {arXiv preprint arXiv:2002.05008},
year = {2020}
}
Comments
5 pages