No-Drag Frame for Anomalous Chiral Fluid

Stephanov, Mikhail A.; Yee, Ho-Ung

doi:10.1103/PhysRevLett.116.122302

No-Drag Frame for Anomalous Chiral Fluid

Mikhail A. Stephanov
(
- Illinois U., Chicago
)
,
Ho-Ung Yee
(
- Illinois U., Chicago and
- RIKEN BNL
)

Aug 10, 2015

5 pages

Published in:

Phys.Rev.Lett. 116 (2016) 12, 122302

Published: Mar 24, 2016

e-Print:

1508.02396 [hep-th]

DOI:

10.1103/PhysRevLett.116.122302

Report number:

RBRC-1146

View in:

pdf

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Abstract: (APS)

We show that for an anomalous fluid carrying dissipationless chiral magnetic and/or vortical currents there is a frame in which a stationary obstacle experiences no drag, but energy and charge currents do not vanish, resembling superfluidity. However, unlike ordinary superfluid flow, the anomalous chiral currents can transport entropy in this frame. We show that the second law of thermodynamics completely determines the amounts of these anomalous nondissipative currents in the “no-drag frame” as polynomials in temperature and chemical potential with known anomaly coefficients. These general results are illustrated and confirmed by a calculation in the chiral kinetic theory and in the quark-gluon plasma at high temperature.

Note:

5 pages (v2 with minor bug fixes)

potential: chemical
quark gluon: plasma
temperature: high
chiral
superfluid
fluid
thermodynamics
dissipation
entropy
kinetic

References(27)

Figures(0)

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In agreement with the results of Ref.[12] obtained in a holographic model with CME/CVE currents, which found nonzero flows of energy and charge in the no-drag frame, while the entropy flow vanished only when there was no mixed gauge-gravity anomaly

[14]

In fact, had we made this choice even earlier, while deriving Eq. (13), we would not have needed to use equations of motion to transform (u · ∂)uν, which simplifies the derivation as well as the results compared to Refs.[9, 10], as observed in Ref.[17]

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