Chiral liquids

Chiral liquids

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We review briefly properties of chiral liquids, or liquids with massless fermionic constituents. We concentrate on three effects, namely, the low ratio of viscosity η to entropy density s, chiral magnetic and vortical effects. We sketch standard derivations of these effects in the hydrodynamic appro...

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Main Author: Zakharov V.I.
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20159503040
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spelling doaj-b18efe8e7b8549b5af348820942f9e772021-08-02T18:23:03ZengEDP SciencesEPJ Web of Conferences2100-014X2015-01-01950304010.1051/epjconf/20159503040epjconf_icnfp2014_03040Chiral liquidsZakharov V.I.We review briefly properties of chiral liquids, or liquids with massless fermionic constituents. We concentrate on three effects, namely, the low ratio of viscosity η to entropy density s, chiral magnetic and vortical effects. We sketch standard derivations of these effects in the hydrodynamic approximation and then concentrate on possibile unifying approach which is based on consideration of the (anomalously) conserved axial current. The point is that the conservation of chirality is specific for the microscopic, field-theoretic description of massless fermions and their interactions. On the macroscopic side, the standard hydrodynamic equations are not consistent, generally speaking, with conservation of a helical macroscopic motion. Imposing extra constraints on the hydrodynamics might resolve this “clash-of-symmetries” paradox.http://dx.doi.org/10.1051/epjconf/20159503040
collection DOAJ
language English
format Article
sources DOAJ
author Zakharov V.I.
spellingShingle Zakharov V.I.
Chiral liquids
EPJ Web of Conferences
author_facet Zakharov V.I.
author_sort Zakharov V.I.
title Chiral liquids
title_short Chiral liquids
title_full Chiral liquids
title_fullStr Chiral liquids
title_full_unstemmed Chiral liquids
title_sort chiral liquids
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2015-01-01
description We review briefly properties of chiral liquids, or liquids with massless fermionic constituents. We concentrate on three effects, namely, the low ratio of viscosity η to entropy density s, chiral magnetic and vortical effects. We sketch standard derivations of these effects in the hydrodynamic approximation and then concentrate on possibile unifying approach which is based on consideration of the (anomalously) conserved axial current. The point is that the conservation of chirality is specific for the microscopic, field-theoretic description of massless fermions and their interactions. On the macroscopic side, the standard hydrodynamic equations are not consistent, generally speaking, with conservation of a helical macroscopic motion. Imposing extra constraints on the hydrodynamics might resolve this “clash-of-symmetries” paradox.
url http://dx.doi.org/10.1051/epjconf/20159503040
work_keys_str_mv AT zakharovvi chiralliquids
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