期刊
NUCLEAR PHYSICS A
卷 873, 期 -, 页码 28-46出版社
ELSEVIER
DOI: 10.1016/j.nuclphysa.2011.10.001
关键词
Superfluid hydrodynamics; Anomalies; Spontaneous symmetry breaking
资金
- Alexander von Humboldt Foundation
It has been shown by Son and Surowka that the presence of anomaly in hydrodynamics with global U(1) symmetry can induce vortical and magnetic currents. The induced current is uniquely determined by anomaly from the existence of an entropy current with non-negative divergence. In this work, we extended the analysis to hydrodynamics with U (1) symmetry spontaneously broken, i.e. U(1) superfluid hydrodynamics. We found that all possible first order gradient corrections are determined up to one arbitrary function. Furthermore, the stress tensor does not receive correction from anomaly and the corrections to Josephson equation are fully determined by anomaly. (C) 2011 Elsevier B.V. All rights reserved.
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