Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP02(2013)088
Keywords
Anomalies in Field and String Theories; Holography and quark-gluon plasmas; Holography and condensed matter physics (AdS/CMT)
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Funding
- NSERC, Canada
- Harvard Society of Fellows
- Taub foundation
- ISF [495/11]
- BSP [2014350]
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By studying the Euclidean partition function on a cone, we argue that pure and mixed gravitational anomalies generate a Casimir momentum which manifests itself as parity violating coefficients in the hydrodynamic stress tensor and charge current. The coefficients generated by these anomalies enter at a lower order in the hydrodynamic gradient expansion than would be naively expected. In 1 + 1 dimensions, the gravitational anomaly affects coefficients at zeroth order in the gradient expansion. The mixed anomaly in 3+1 dimensions controls the value of coefficients at first order in the gradient expansion.
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