论文标题
热平衡异常流体的手性扭转作用
Chiral Torsional Effects in Anomalous Fluids in Thermal Equilibrium
论文作者
论文摘要
利用时空扭转和轴向量规耦合之间的相似性，我们研究了对固定背景中平衡分区函数的扭转贡献。如果将带电的流体最小化与扭转耦合，我们发现了线性扭转和涡旋效应的存在，而轴向矢量电流和旋转能电位并未按线性顺序进行扭转。另一方面，协变能量张量确实包含扭曲张量中的术语。还分析了两种香料辐射超氟氟化植物的情况，并计算出对本构关系的扭转贡献。我们的结果表明，由带电乳头介导的扭转电性手性效应的存在。
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.
