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Unidirectional superconductivity and superconducting diode effect induced by dissipation

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arxiv 2310.02539 v2 pith:S3FLCP3A submitted 2023-10-04 cond-mat.supr-con cond-mat.mes-hall

Akito Daido , Youichi Yanase This is my paper · ORCID
classification cond-mat.supr-concond-mat.mes-hall
keywords electriccurrentin-planesuperconductivityunidirectionaldiodedissipationeffect
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A general principle of condensed matter physics prohibits the electric current in equilibrium. This prevents a zero-resistance state realized solely under a finite electric current, namely unidirectional superconductivity. In this paper, we propose a setup to realize the unidirectional superconductivity as a nonequilibrium steady state. We focus on the in-plane transport of atomically thin bilayer superconductors lacking the in-plane inversion symmetry and introduce dissipation by applying the out-of-plane electric field and current. By analyzing the time-dependent Ginzburg-Landau equations, we show that locally stable steady-state solutions appear only under the in-plane supercurrent when the out-of-plane electric field exceeds a threshold value. Our system also realizes the dissipation-induced superconducting diode effect up to 100% efficiency by purely electric means.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Pressure induced magnetic-field-free superconducting diode effect in NbSe2 flake

    cond-mat.supr-con 2026-08 conditional novelty 6.0 of 10

    Pressure alone creates a magnetic-field-free superconducting diode effect in NbSe2 flakes, with second-harmonic evidence for inversion symmetry breaking and even-in-field behavior suggesting no explicit time-reversal ...

  2. Thermodynamic Constraints on Perfect Equilibrium Superconducting Diodes

    cond-mat.supr-con 2025-12 conditional novelty 6.0 of 10

    Perfect equilibrium superconducting diodes are thermodynamically forbidden; near-perfect rectification requires tuning into a phase transition inside the superconducting state, with a polynomial-Landau bound limiting ...

  3. Superconducting diode efficiency from singlet-triplet mixing in disordered systems

    cond-mat.supr-con 2025-02 conditional novelty 6.0 of 10

    Disorder scattering can reverse the sign of the superconducting diode efficiency at weak Rashba coupling and can induce a finite diode effect at strong Rashba coupling through singlet-triplet mixing.

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