Juan L. Mañes, Eugenio Megias, Manuel Valle, Miguel A. Vazquez-Mozo
备注:
15 pages. Talk given by E.Megias at the 9th International Conference on New Frontiers in Physics (ICNFP 2020), 4 Sep - 2 Oct 2020, Kolymbari, Crete, Greece
We study the role of non-abelian anomalies in relativistic fluids. To this end, we compute the local functional that solves the anomaly equations, and obtain analytical expressions for the covariant currents and the Bardeen-Zumino terms. We particularize these results to a background with two flavors, and consider the cases of unbroken and broken chiral symmetry. Finally, we provide explicit results for the constitutive relations of chiral nuclear matter interacting with external electromagnetic fields and in presence of chiral imbalance. We emphasize the non-dissipative nature of the chiral electric effect.
Hadronic vacuum polarization to three loops in chiral perturbation theory
Aix Marseille Univ, Université de Toulon, CNRS, CPT(艾克斯-马赛大学、土伦大学、法国国家科学研究中心、理论物理中心);Department of Physics, University of Wuppertal(伍珀塔尔大学物理系);Jülich Supercomputing Centre, Forschungszentrum Jülich(于利希超级计算中心,于利希研究中心);Institut de Physique Théorique, Université Paris-Saclay, CEA, CNRS(理论物理研究所,巴黎萨克雷大学,法国原子能和替代能源委员会,法国国家科学研究中心)