From coherent to fermionized microwave photons in a superconducting transmission line
Fuente:
arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866908760027430912 |
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| author | de Fatis, Alberto Tabarelli Matern, Stephanie Rastelli, Gianluca Carusotto, Iacopo |
| author_facet | de Fatis, Alberto Tabarelli Matern, Stephanie Rastelli, Gianluca Carusotto, Iacopo |
| contents | We investigate superconducting transmission lines as a novel platform for realizing a quantum fluid of microwave photons in a propagating geometry. We predict that the strong photon-photon interactions provided by the intrinsic nonlinearity of Josephson junctions are sufficient to enter a regime of strongly interacting photons for realistic parameters. A suitable tapering of the transmission line parameters allows for the adiabatic conversion of an incident coherent field into a Tonks-Girardeau gas of fermionized photons close to its ground state. Signatures of the strong correlations are anticipated in the correlation properties of the transmitted light. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_07659 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | From coherent to fermionized microwave photons in a superconducting transmission line de Fatis, Alberto Tabarelli Matern, Stephanie Rastelli, Gianluca Carusotto, Iacopo Quantum Gases Mesoscale and Nanoscale Physics Quantum Physics We investigate superconducting transmission lines as a novel platform for realizing a quantum fluid of microwave photons in a propagating geometry. We predict that the strong photon-photon interactions provided by the intrinsic nonlinearity of Josephson junctions are sufficient to enter a regime of strongly interacting photons for realistic parameters. A suitable tapering of the transmission line parameters allows for the adiabatic conversion of an incident coherent field into a Tonks-Girardeau gas of fermionized photons close to its ground state. Signatures of the strong correlations are anticipated in the correlation properties of the transmitted light. |
| title | From coherent to fermionized microwave photons in a superconducting transmission line |
| topic | Quantum Gases Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2601.07659 |