Chiral effects in external gravitational field

For a number of reasons, theory of chiral effects in an external gravitational field has become actual recently. First, one can utilize a well known analogy between flows of fluid along gradient of temperature and along acceleration due to an external gravitational field. Using this analogy one can...

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Bibliographic Details
Published in:Nuclear and particle physics proceedings 2018-07, Vol.300-302, p.203-209
Main Authors: Mitkin, P.G., Prokhorov, G., Teryaev, O.V., Zakharov, V.I.
Format: Article
Language:English
Subjects:
accelerated media
chiral anomaly
hydrodynamics
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Summary:For a number of reasons, theory of chiral effects in an external gravitational field has become actual recently. First, one can utilize a well known analogy between flows of fluid along gradient of temperature and along acceleration due to an external gravitational field. Using this analogy one can approach theory of thermal chiral effects. Another motivation to include external gravitational fleld comes from the phenomenology of heavy-ion collisions which indicates that the initial state can be considered as a rotated and accelerated medium. We concentrate mostly on two issues. First, existence of extra conservation laws in case of ideal fluid and its manifestation in chiral effects in gravitational field. Second, we review briefly introduction of the notion of imagnary acceleration and its relation to anomalies.
ISSN:2405-6014
2405-6022
DOI:10.1016/j.nuclphysbps.2018.12.033