Ultra-critical Floquet Non-Fermi Liquid
Fuente:
arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
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| _version_ | 1866918021539299328 |
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| author | Shi, Li-kun Matsyshyn, Oles Song, Justin C. W. Villadiego, Inti Sodemann |
| author_facet | Shi, Li-kun Matsyshyn, Oles Song, Justin C. W. Villadiego, Inti Sodemann |
| contents | We demonstrate that periodically driven Fermions coupled to simple bosonic baths have steady state occupations of Floquet Bloch bands that generically display non-analyticties at certain momenta which resemble the Fermi surfaces of equilibrium non-Fermi liquids. Remarkably these non-equilibrium Fermi surfaces remain sharp even when the bath is at finite temperature, leading to critical power-law decaying correlations at finite temperature, a phenomenon with no analogue in equilibrium. We also show that generically there is in-gap current rectification for clean metals lacking inversion symmetry, and explain why this occurs universally regardless of the details of collisions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_09145 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Ultra-critical Floquet Non-Fermi Liquid Shi, Li-kun Matsyshyn, Oles Song, Justin C. W. Villadiego, Inti Sodemann Mesoscale and Nanoscale Physics We demonstrate that periodically driven Fermions coupled to simple bosonic baths have steady state occupations of Floquet Bloch bands that generically display non-analyticties at certain momenta which resemble the Fermi surfaces of equilibrium non-Fermi liquids. Remarkably these non-equilibrium Fermi surfaces remain sharp even when the bath is at finite temperature, leading to critical power-law decaying correlations at finite temperature, a phenomenon with no analogue in equilibrium. We also show that generically there is in-gap current rectification for clean metals lacking inversion symmetry, and explain why this occurs universally regardless of the details of collisions. |
| title | Ultra-critical Floquet Non-Fermi Liquid |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2410.09145 |