Supercurrent diode effect and finite-momentum superconductors
Noah F. Q. Yuan, Liang Fu
Abstract
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 direction parallel and antiparallel to the Cooper pair momentum become unequal.
Topics & Concepts
SupercurrentAntiparallel (mathematics)Cooper pairMomentum (technical analysis)SuperconductivityPhysicsCondensed matter physicsMagnetic fieldQuantum electrodynamicsQuantum mechanicsJosephson effectEconomicsFinancePhysics of Superconductivity and MagnetismQuantum and electron transport phenomenaQuantum, superfluid, helium dynamics