Supercurrent diode effect and finite-momentum superconductors

• Published in: Proceedings of the National Academy of Sciences - PNAS Vol. 119; no. 15; p. e2119548119
• Main Authors: Yuan, Noah F Q, Fu, Liang
• Format: Journal Article
• Language: English
• Published: United States National Academy of Sciences 12.04.2022
• Subjects: Bilayers; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Cooper pairs; Critical current (superconductivity); electromagnetic responses; Graphene; Magnetic fields; Momentum; nonreciprocal transport; Physical Sciences; Polarity; Spin-orbit interactions; superconductivity; Superconductors; superconductivity; nonreciprocal transport; electromagnetic responses

SignificanceOur work shows a fascinating application of finite-momentum superconductivity, the supercurrent diode effect, which is being reported in a growing number of experiments. We show that, under external magnetic field, Cooper pairs can acquire finite momentum so that critical currents in the...