In non-Hermitian Josephson junctions the supercurrent includes a term proportional to the phase derivative of Andreev level broadening, providing a detectable signature of non-Hermiticity away from exceptional points.
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Finite current flux fragilizes the two-mode topological phase in a Kitaev ladder, shown via bulk invariants and edge-edge quantum conditional mutual information.
Non-Hermitian dissipation shifts 0-π transitions in magnetic Josephson junctions to higher fields and enables angle-based control at fixed magnitude via complex eigenvalues of the effective Hamiltonian.
citing papers explorer
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Supercurrent from the imaginary part of the Andreev levels in non-Hermitian Josephson junctions
In non-Hermitian Josephson junctions the supercurrent includes a term proportional to the phase derivative of Andreev level broadening, providing a detectable signature of non-Hermiticity away from exceptional points.
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Current-driven reduction of topological protection in multichannel superconductors
Finite current flux fragilizes the two-mode topological phase in a Kitaev ladder, shown via bulk invariants and edge-edge quantum conditional mutual information.
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$0-\pi$ transitions in non-Hermitian magnetic Josephson junctions
Non-Hermitian dissipation shifts 0-π transitions in magnetic Josephson junctions to higher fields and enables angle-based control at fixed magnitude via complex eigenvalues of the effective Hamiltonian.