Surrogate model solver for impurity-induced superconducting subgap states

Baran, Virgil V.; Frost, Emil J. P.; Paaske, Jens

doi:10.1103/physrevb.108.l220506

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2024

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Cited by 10 publications

References 63 publications

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Subgap States in Semiconductor-Superconductor Devices for Quantum Technologies: Andreev Qubits and Minimal Majorana Chains

Seoane Souto,

Aguado

2024

Lecture Notes in Physics

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Subgap States in Semiconductor-Superconductor Devices for Quantum Technologies: Andreev Qubits and Minimal Majorana Chains

Seoane Souto,

Aguado

2024

Lecture Notes in Physics

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Generalized transmon Hamiltonian for Andreev spin qubits

Pavešić,

Žitko

2024

Phys. Rev. B

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Controllable odd-frequency Cooper pairs in multisuperconductor Josephson junctions

Cayao,

Burset,

Tanaka

2024

Phys. Rev. B

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We consider Josephson junctions formed by multiple superconductors with distinct phases and explore the formation of nonlocal or intersuperconductor pair correlations. We find that the multiple superconductor nature offers an additional degree of freedom that broadens the classification of pair symmetries, enabling nonlocal even- and odd-frequency pairings that can be highly controlled by the superconducting phases and the energy of the superconductors. Specially, when the phase difference between two superconductors is π, their associated nonlocal odd-frequency pairing is the only type of intersuperconductor pair correlations. Finally, we show that these nonlocal odd-frequency Cooper pairs dominate the nonlocal conductance via crossed Andreev reflections, which constitutes a direct evidence of odd-frequency pairing. Published by the American Physical Society 2024

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Surrogate model solver for impurity-induced superconducting subgap states

Cited by 10 publications

References 63 publications

Subgap States in Semiconductor-Superconductor Devices for Quantum Technologies: Andreev Qubits and Minimal Majorana Chains

Subgap States in Semiconductor-Superconductor Devices for Quantum Technologies: Andreev Qubits and Minimal Majorana Chains

Generalized transmon Hamiltonian for Andreev spin qubits

Controllable odd-frequency Cooper pairs in multisuperconductor Josephson junctions

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