Parity transition of spin-singlet superconductivity using sub-lattice degrees of freedom

Shiki Ogata, Shunsaku Kitagawa, Katsuki Kinjo +5

Recently, a superconducting (SC) transition from low-field (LF) to high-field (HF) SC states was reported in CeRh${}_2$As${}_2$, indicating the existence of multiple SC states. It has…