Quantized Josephson phase battery

Abstract

A ferromagnetic Josephson junction with a spin-flipper (magnetic impurity) sandwiched in-between acts as a phase battery that can store quantized amounts of superconducting phase difference ${\Phi }_0$ in the ground state of the junction. Moreover, for such ${\Phi }_0$-Josephson junction anomalous Josephson current appears at zero phase difference. We study the properties of this quantum spin-flip scattering induced anomalous Josephson current, especially its tun-ability via misorientation angle between two Ferromagnets.

arXiv comment11 pages (with supplementary material), 9 figures, accepted for publication in EPL (Euro Physics Letters)

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Cited by in corpus (29)

• Intrinsic Superconducting Diode Effect
• A phenomenological theory of superconductor diodes
• Universal Josephson diode effect
• The Josephson diode effect in supercurrent interferometers
• A Josephson phase battery
• Geometry controlled superconducting diode and anomalous Josephson effect triggered by the topological phase transition in curved proximitized nanowires
• Superconducting diode effect and nonreciprocal transition lines
• Josephson diode effect derived from short-range coherent coupling
• Ferromagnetic Materials for Josephson π Junctions
• Phase Asymmetry of Andreev Spectra From Cooper-Pair Momentum
• Microwave-Tunable Diode Effect in Asymmetric SQUIDs with Topological Josephson Junctions
• Highly Efficient Superconducting Diodes and Rectifiers for Quantum Circuitry
• Tuning the Josephson diode response with an ac current
• Anomalous phase shift in a Josephson junction via an antiferromagnetic interlayer
• Engineering of anomalous Josephson effect in coherently coupled Josephson junctions
• Strong nonlocal tuning of the current-phase relation of a quantum dot based Andreev molecule
• Nonreciprocal superconducting transport and the spin Hall effect in gyrotropic structures
• Superconducting Diode Effect in Quantum Spin Hall Insulator-based Josephson Junctions
• Exciting odd frequency equal-spin-triplet correlations at metal-superconductor interfaces
• On-off switch and sign change for non-local Josephson diode in spin-valve Andreev molecules
• Anomalous supercurrent modulated by interfacial magnetizations in Josephson junctions with ferromagnetic bilayers
• Anomalous Josephson Effect in Topological Insulator-Based Josephson Trijunction
• Reconstruction-Induced ${\phi }_0$ Josephson Effect in Quantum Spin Hall Constrictions
• Topological Josephson Junctions in the Integer Quantum Hall Regime
• Buzdin, Shapiro and Chimera Steps in ${\phi }_0$ Josephson Junctions. II. Bifurcation, Switching, and Hysteresis
• Andreev spin-noise detector
• Entanglement dynamics of a dc SQUID interacting with a single-mode radiation field
• Spin-resolved Josephson diode effect through strongly spin-polarized conical magnets
• Supercurrent diode with high winding vortex