Sb-NQR probe for multipole degree of freedom in the first Pr-based heavy-fermion superconductor PrOs${}_4$Sb${}_{12}$

Hideki Tou, Masahiro Doi, Masafumi Sera +4

We report ${}^{121,123}$Sb nuclear quadrupole resonance (NQR) measurements in the filled-skutterudite superconductor PrOs${}_4$Sb${}_{12}$ in the temperature range of 0.05-30 K. The elec…