期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2021)209
关键词
Anomalies in Field and String Theories; Thermal Field Theory
资金
- Spanish Science Ministry grants (MCIU/AEI/FEDER, EU) [PGC2018-094626-B-C21, PGC2018-094626-B-C22]
- Basque Government [IT979-16]
The study investigates the torsional contributions to the equilibrium partition function in a stationary background, revealing the existence of linear torsional magnetic and vortical effects. The analysis also evaluates the torsional contributions to the constitutive relations, showing the existence of a torsional electric chiral effect.
Using the similarity between spacetime torsion and axial gauge couplings, we study torsional contributions to the equilibrium partition function in a stationary background. In the case of a charged fluid minimally coupled to torsion, we spot the existence of linear torsional magnetic and vortical effects, while the axial-vector current and the spin energy potential do not receive corrections in the torsion at linear order. The covariant energy-momentum tensor, on the other hand, does contain terms linear in the torsion tensor. The case of a two-flavor hadronic superfluid is also analyzed, and the torsional contributions to the constitutive relations computed. Our results show the existence of a torsional electric chiral effect mediated by the charged pions.
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