Time Reversal Symmetry Breaking in the B Phase of the Heavy Fermion Superconductor PrOs${}_4$Sb${}_{12}$

E. M. Levenson-Falk, E. R. Schemm, Y. Aoki +2

We present polar Kerr effect measurements of the filled skutterudite superconductor PrOs${}_4$Sb${}_{12}$. Simultaneous AC susceptibility measurements allow us to observe the supercond…