EPJ Web Conf.
Volume 129, 2016QCD@Work 2016 - International Workshop on Quantum Chromodynamics - Theory and Experiment
|Number of page(s)||6|
|Published online||25 November 2016|
Chiral medium produced by parallel electric and magnetic fields
1 College of Physics, University of Chinese Academy of Sciences, Yuquanlu 19A, Beijing 100049, China
2 Theoretical Physics Center for Science Facilities, Institute of High Energy Physics, Beijing 100049, China
3 Laboratoire de Mathématiques et Physique Théorique UMR 7350, Université de Tours, 37200, France
4 Laboratory of Physics of Living Matter, Far Eastern Federal University, Sukhanova 8, Vladivostok, Russia
Published online: 25 November 2016
We compute (pseudo)critical temperature, Tc, of chiral symmetry restoration for quark matter in the background of parallel electric and magnetic fields. This field configuration leads to the production of a chiral medium on a time scale τ, characterized by a nonvanishing value of the chiral density that equilibrates due to microscopic processes in the thermal bath. We estimate the relaxation time τ to be about ≈ 0:1 − 1 fm/c around the chiral crossover; then we compute the effect of the fields and of the chiral medium on Tc. We find Tc to be lowered by the external fields in the chiral medium.
© The Authors, published by EDP Sciences, 2016
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