A compilation of theoretical studies showing that lattice nonlinearity, strain, and intervalley scattering can each reverse the sign of longitudinal magnetoconductance in Weyl semimetals.
Kinetic equation and magneto-conductance for Weyl metal in the clean limit
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abstract
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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Quasiclassical electron transport in topological Weyl semimetals
A compilation of theoretical studies showing that lattice nonlinearity, strain, and intervalley scattering can each reverse the sign of longitudinal magnetoconductance in Weyl semimetals.