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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A dissipative anisotropic Yao-Lee model is exactly solvable via non-Hermitian fermionic mapping, hosting a large manifold of non-equilibrium steady states and a PT symmetry breaking transition with an exceptional ring in the Liouvillian spectrum.
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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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Dissipative Yao-Lee Spin-Orbital Model: Exact Solvability and $\mathcal{PT}$ Symmetry Breaking
A dissipative anisotropic Yao-Lee model is exactly solvable via non-Hermitian fermionic mapping, hosting a large manifold of non-equilibrium steady states and a PT symmetry breaking transition with an exceptional ring in the Liouvillian spectrum.