Aspects of quantum geometry in photonic time crystals
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909916341469184 |
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| author | Eswaran, Karthik Subramaniam Kopaei, Ali Emami Sacha, Krzysztof |
| author_facet | Eswaran, Karthik Subramaniam Kopaei, Ali Emami Sacha, Krzysztof |
| contents | We develop a geometric description of quantum light in photonic time crystals on the SU(1,1) coherent-state manifold. In a projective picture, the evolution of each mode appears as a Möbius isometry on the Poincaré disk, where topologies of trajectories distinguish stable, unstable, and critical regimes. The geometric phase is related to the hyperbolic area enclosed by cyclic paths in the complex projective Hilbert space. This framework offers an intuitive view of stability and topology in quantum photonic time crystals. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_17317 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Aspects of quantum geometry in photonic time crystals Eswaran, Karthik Subramaniam Kopaei, Ali Emami Sacha, Krzysztof Optics Quantum Gases Quantum Physics We develop a geometric description of quantum light in photonic time crystals on the SU(1,1) coherent-state manifold. In a projective picture, the evolution of each mode appears as a Möbius isometry on the Poincaré disk, where topologies of trajectories distinguish stable, unstable, and critical regimes. The geometric phase is related to the hyperbolic area enclosed by cyclic paths in the complex projective Hilbert space. This framework offers an intuitive view of stability and topology in quantum photonic time crystals. |
| title | Aspects of quantum geometry in photonic time crystals |
| topic | Optics Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2511.17317 |