DC transport in a dissipative superconducting quantum point contact
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Date
2023
Publication Type
Journal Article
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Abstract
We study the current-voltage characteristics of a superconducting junction with particle losses at the contacts. We adopt the Keldysh formalism to compute the steady-state current for varying transmission of the contact. In the low-transmission regime, the dissipation leads to an enhancement of the current at low bias, a nonmonotonic dependence of current on dissipation, and the emergence of new structures in the current-voltage curves. The effect of dissipation by particle loss is found to be qualitatively different from that of a finite temperature and a finite inelastic scattering rate in the reservoirs.
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published
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5 (3)
Pages / Article No.
33095
Publisher
American Physical Society
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Organisational unit
03599 - Esslinger, Tilman / Esslinger, Tilman
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182650 - Interplay between Topology, Interactions and Dissipation in Driven Quantum Many-Body Systems (SNF)
212168 - Tailoring interactions in quantum matter (SNF)
742579 - Mass, heat and spin transport in interlinked quantum gases (EC)
212168 - Tailoring interactions in quantum matter (SNF)
742579 - Mass, heat and spin transport in interlinked quantum gases (EC)