Time-connected phase slips in current-driven two-band superconducting wires
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913352274411520 |
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| author | Dominguez, Daniel Berger, Jorge |
| author_facet | Dominguez, Daniel Berger, Jorge |
| contents | We study quasi-one dimensional wires of two-band superconductors driven by an electrical current. We find that the onset of dissipation can occur with the nucleation of time-connected phase slips (t-PS). The topological structure of the t-PS consists of two phase slips (one in each order parameter) separated in time and connected via an interband vortex string along the time direction. This shows as a two-peak structure in voltage vs. time. We discuss the conditions for observing t-PS, depending on the interband coupling strength and the relaxation time scales for each order parameter. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_09671 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Time-connected phase slips in current-driven two-band superconducting wires Dominguez, Daniel Berger, Jorge Superconductivity We study quasi-one dimensional wires of two-band superconductors driven by an electrical current. We find that the onset of dissipation can occur with the nucleation of time-connected phase slips (t-PS). The topological structure of the t-PS consists of two phase slips (one in each order parameter) separated in time and connected via an interband vortex string along the time direction. This shows as a two-peak structure in voltage vs. time. We discuss the conditions for observing t-PS, depending on the interband coupling strength and the relaxation time scales for each order parameter. |
| title | Time-connected phase slips in current-driven two-band superconducting wires |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2405.09671 |