Spin Thermal Hall Conductivity of a Kagomé Antiferromagnet

Hayato Doki, Masatoshi Akazawa, Hyun-Yong Lee +7

A clear thermal Hall signal (${\kappa }_{xy}$) was observed in the spin liquid phase of the $S=1/2$ kagomé antiferromagnet Ca kapellasite (CaCu${}_3$(OH)${}_6$Cl${}_2\cdot 0.6$H${}_2$O). We found…