Time-Reversal Invariant Superconductivity of Sr${}_2$RuO${}_4$ Revealed by Josephson Effects

Satoshi Kashiwaya, Kohta Saitoh, Hiromi Kashiwaya +5

Sr${}_2$RuO${}_4$ is one of the most promising candidates of a topological superconductor with broken time-reversal symmetry, because a number of experiments have revealed evidence…