Theory of `hidden' quasi-1D superconductivity in Sr${}_2$RuO${}_4$

S. Raghu, Suk Bum Chung, Samuel Lederer

Is the mechanism of unconventional superconductivity in Sr${}_2$RuO${}_4$ closer in spirit to superfluid ${}^3$He, or to the cuprates, pnictides, and organic superconductors? We challeng…