Novel results obtained by modeling of dynamic processes in superconductors: phase-slip centers as cooling engines
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2022
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| _version_ | 1866913333850931200 |
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| author | Mowgood, Iris Teknowijoyo, Serafim Chahid, Sara Gulian, Armen |
| author_facet | Mowgood, Iris Teknowijoyo, Serafim Chahid, Sara Gulian, Armen |
| contents | Based on a time-dependent Ginzburg-Landau system of equations and finite element modeling, we present novel results related with the physics of phase-slippage in superconducting wires surrounded by a non-superconductive environment. These results are obtained within our previously reported approach related to superconducting rings and superconductive gravitational wave detector transducers. It is shown that the phase-slip centers (PSCs) can be effective in originating not only positive but also negative thermal fluxes. With an appropriate design utilizing thermal diodes, PSCs can serve as cryocooling engines. Operating at $T\sim 1$ K cryostat cold-finger, they can achieve sub-Kelvin temperatures without using $^3$He. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2211_01286 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Novel results obtained by modeling of dynamic processes in superconductors: phase-slip centers as cooling engines Mowgood, Iris Teknowijoyo, Serafim Chahid, Sara Gulian, Armen Superconductivity Based on a time-dependent Ginzburg-Landau system of equations and finite element modeling, we present novel results related with the physics of phase-slippage in superconducting wires surrounded by a non-superconductive environment. These results are obtained within our previously reported approach related to superconducting rings and superconductive gravitational wave detector transducers. It is shown that the phase-slip centers (PSCs) can be effective in originating not only positive but also negative thermal fluxes. With an appropriate design utilizing thermal diodes, PSCs can serve as cryocooling engines. Operating at $T\sim 1$ K cryostat cold-finger, they can achieve sub-Kelvin temperatures without using $^3$He. |
| title | Novel results obtained by modeling of dynamic processes in superconductors: phase-slip centers as cooling engines |
| topic | Superconductivity |
| url | https://arxiv.org/abs/2211.01286 |