Chiral perturbation theory for nonzero chiral imbalance

Abstract We construct the most general low-energy effective lagrangian including local parity violating terms parametrized by an axial chemical potential or chiral imbalance μ 5, up to O p 4 $$ \mathcal{O}\left({p}^4\right) $$ order in the chiral expansion for two light flavours. For that purpose, w...

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Bibliographic Details
Main Authors: D. Espriu, A. Gómez Nicola, A. Vioque-Rodríguez
Format: Article
Language:English
Published: SpringerOpen 2020-06-01
Series:Journal of High Energy Physics
Subjects:
Online Access:http://link.springer.com/article/10.1007/JHEP06(2020)062