清洁极限下Weyl金属的动力学方程和磁导
Kinetic equation and magneto-conductance for Weyl metal in the clean limit
摘要：
讨论了在Clean极限下，考虑Berry曲率和磁场B的半经典动力学方程，目的是将其应用于Weyl半金属.特别注意碰撞积分的守恒定律。结果表明，无论有无外尔点，B中的二阶磁阻一般都是负的，但外尔点的情况下，B中的二阶磁阻一般都要小得多。
英文摘要：
We discuss the semi-classical kinetic equation in the clean limit, with the presence of Berry curvatures and magnetic field B, with the aim of applying to Weyl semi-metals. Special attention is given to the conservation laws for the collision integrals. It is found that the magneto-resistance second order in B is in general negative, with or without Weyl points, though in the later case it is in general much smaller.
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