Quantum thermophoresis
Fuente:
arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866918344133705728 |
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| author | Matos, Maurício Werlang, Thiago Valente, Daniel |
| author_facet | Matos, Maurício Werlang, Thiago Valente, Daniel |
| contents | Thermophoresis is the migration of a particle due to a thermal gradient. Here, we theoretically uncover the quantum version of thermophoresis. As a proof of principle, we analytically find a thermophoretic force on a trapped quantum particle having three energy levels in $Λ$ configuration. We then consider a model of N sites, each coupled to its first neighbors and subjected to a local bath at a certain temperature, so as to show numerically how quantum thermophoresis behaves with increasing delocalization of the quantum particle. We discuss how negative thermophoresis and the Dufour effect appear in the quantum regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_12346 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum thermophoresis Matos, Maurício Werlang, Thiago Valente, Daniel Quantum Physics Statistical Mechanics Thermophoresis is the migration of a particle due to a thermal gradient. Here, we theoretically uncover the quantum version of thermophoresis. As a proof of principle, we analytically find a thermophoretic force on a trapped quantum particle having three energy levels in $Λ$ configuration. We then consider a model of N sites, each coupled to its first neighbors and subjected to a local bath at a certain temperature, so as to show numerically how quantum thermophoresis behaves with increasing delocalization of the quantum particle. We discuss how negative thermophoresis and the Dufour effect appear in the quantum regime. |
| title | Quantum thermophoresis |
| topic | Quantum Physics Statistical Mechanics |
| url | https://arxiv.org/abs/2404.12346 |