Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Electromagnetic conductivity of quark-gluon plasma at non-zero baryon density
N. Astrakhantsev, V. Braguta, M. Cardinali, M. D'Elia, L. Maio, F. Sanfilippo, A. Trunin* and A. Vasiliev
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Pre-published on: May 16, 2022
Published on:
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.
DOI: https://doi.org/10.22323/1.396.0119
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