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arXiv · 2110.10727

Electromagnetic conductivity of quark-gluon plasma at non-zero baryon density

N. Astrakhantsev·V. V. Braguta·M. Cardinali·M. D'Elia·L. Maio·F. Sanfilippo·A. Trunin·A. Vasiliev
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Abstract

In this preprint we present our results on the study of the electromagnetic conductivity in dense quark-gluon plasma obtained within lattice simulations with $N_f = 2 + 1$ dynamical quarks. We employ stout improved rooted staggered quarks at the physical point and the tree-level Symanzik improved gauge action. The simulations are performed at imaginary baryon chemical potential, and the Tikhonov regularisation method is used to extract the conductivity from current-current correlators. Our results indicate an increase of QGP electromagnetic conductivity with real baryon density, and this dependence is quite strong.

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N. Astrakhantsev, V. V. Braguta, M. Cardinali, M. D'Elia, L. Maio, F. Sanfilippo, A. Trunin, A. Vasiliev. 2021-10-20. Electromagnetic conductivity of quark-gluon plasma at non-zero baryon density. https://arxiv.org/abs/2110.10727

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