Symmetry analysis and tight-binding simulations reveal magnetic and crystalline anisotropies in the superconducting diode effect of planar Josephson junctions, including gate-tunable polarity reversals.
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Diode efficiency in Rashba superconductors peaks at the Lifshitz transition to strong helical phases with Bogoliubov Fermi surfaces, while Josephson current anisotropy offers a probe for these surfaces in junctions.
Symmetry analysis and Furusaki-Tsukada calculations show that tuning exchange-field directions, Rashba SOC, and d-wave lobe orientations in Josephson junctions enhances nonreciprocity in the current-phase relation by more than 40%, with asymmetric Andreev bound states driving the diode effect.
citing papers explorer
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Anisotropic Superconducting Diode Effect in Planar Josephson Junctions
Symmetry analysis and tight-binding simulations reveal magnetic and crystalline anisotropies in the superconducting diode effect of planar Josephson junctions, including gate-tunable polarity reversals.
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Helical phases and Bogoliubov Fermi surfaces probed by superconducting diode effects
Diode efficiency in Rashba superconductors peaks at the Lifshitz transition to strong helical phases with Bogoliubov Fermi surfaces, while Josephson current anisotropy offers a probe for these surfaces in junctions.
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Anomalous and diode Josephson effect in junctions with inhomogeneous ferromagnetic barrier and interfacial Rashba spin-orbit coupling
Symmetry analysis and Furusaki-Tsukada calculations show that tuning exchange-field directions, Rashba SOC, and d-wave lobe orientations in Josephson junctions enhances nonreciprocity in the current-phase relation by more than 40%, with asymmetric Andreev bound states driving the diode effect.