Recent observations of negative longitudinal magnetoresistance in semimetal

Xu Xi-Tong¹, Jia Shuang^{1, 2, †,}

The NLMR for DSM Bi_0.97Sb_0.03 and Na₃Bi. (a) Angle-dependent MR for Bi_0.97Sb_0.03. Negative MR occurs when B ‖ i. From Ref. [28]. (b) LMR for Na₃Bi at selected temperatures. From Ref. [29].