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Dissipation-Induced Superconducting Diode Effect in Multi-Valley Superconductors

A non-equilibrium mechanism in which coupling the dissipative normal current to a spontaneously time-reversal-breaking order parameter, within a generalized time-dependent Ginzburg-Landau framework with phase slips, produces non-reciprocal critical currents up to perfect diode efficiency; applied to valley-polarized graphene superconductors.

Dr. Theopolis Text

Dissipation-enhanced non-reciprocal superconductivity: application to multi-valley superconductors

Proposes a non-equilibrium mechanism for the superconducting diode effect (non-reciprocal critical currents, jc(n) != jc(-n)) that operates when time-reversal symmetry is broken spontaneously by the …