Majorana-fermion origin of the planar thermal Hall effect in the Kitaev magnet $\alpha$-RuCl${}_3$

K. Imamura, S. Suetsugu, Y. Mizukami +11

The field-induced quantum disordered state of layered honeycomb magnet $\alpha$-RuCl${}_3$ is a prime candidate for Kitaev spin liquids hosting Majorana fermions and non-Abelian anyons. R…