Weyl超导体中的负热磁电阻率作为手征反常的标志
Negative thermal magnetoresistivity as a signature of chiral anomaly in Weyl superconductors
摘要：
我们认为外尔超导体的手征反常引起了由序参量的涡旋织构或晶格应变产生的出射磁场引起的负热磁电阻率。我们建立这种情况下，结合的参数贝里曲率的基础上，和准经典理论的Eilenberger方程与量子校正所产生的非均匀结构。结果发现，手征异常贡献的热导率表现出特征的温度依赖性，这可以是一个吸烟枪签名的这种效果。
英文摘要：
We propose that chiral anomaly of Weyl superconductors gives rise to negative thermal magnetoresistivity induced by emergent magnetic fields, which are generated by vortex textures of order parameters or lattice strain. We establish this scenario by combining the argument based on Berry curvatures, and the quasi-classical theory of the Eilenberger equation with quantum corrections arising from inhomogeneous structures. It is found that the chiral anomaly contribution of the thermal conductivity exhibits characteristic temperature dependence, which can be a smoking-gun signature of this effect.
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