Nonmagnetic $J=0$ State and Spin-Orbit Excitations in K${}_2$RuCl${}_6$

H. Takahashi, H. Suzuki, J. Bertinshaw +10

Spin-orbit Mott insulators composed of $t_{2g}^4$ transition metal ions may host excitonic magnetism due to the condensation of spin-orbital $J=1$ triplons. Prior experiments sugge…