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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.13948 |
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| _version_ | 1866910052883890176 |
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| author | Yang, Liufeng Wang, Jinling Li, Huijun Cao, Junhui Kavokin, Alexey Wu, Congjun |
| author_facet | Yang, Liufeng Wang, Jinling Li, Huijun Cao, Junhui Kavokin, Alexey Wu, Congjun |
| contents | We propose collective nuclear polaritons formed by hybridizing a 229Th nuclear ensemble with a vacuum-ultraviolet cavity mode generated via four-wave mixing, achieving a collective light-matter coupling that scales as $\sqrt{N}$. In the strong-coupling regime the system displays vacuum Rabi oscillations, indicating the hybridization between cavity photons and nuclear excitations. In the superradiant regime, the stored excitation is released in a cooperative burst with peak intensity scaling as $N^2$. The emission lifetime shrinks from thousands of seconds to the millisecond scale and remains tunable. Detuning sweeps across the polariton avoided crossing allow adiabatic conversion of the photonic excitation into a collective nuclear excitation, enabling reversible quantum storage. Our results demonstrate that cavity-mediated nuclear polaritons enable deterministic lifetime engineering and coherent quantum storage in nuclear systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_13948 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Collective Nuclear Polaritons with Coherent and Tunable Excitation Dynamics Yang, Liufeng Wang, Jinling Li, Huijun Cao, Junhui Kavokin, Alexey Wu, Congjun Quantum Physics We propose collective nuclear polaritons formed by hybridizing a 229Th nuclear ensemble with a vacuum-ultraviolet cavity mode generated via four-wave mixing, achieving a collective light-matter coupling that scales as $\sqrt{N}$. In the strong-coupling regime the system displays vacuum Rabi oscillations, indicating the hybridization between cavity photons and nuclear excitations. In the superradiant regime, the stored excitation is released in a cooperative burst with peak intensity scaling as $N^2$. The emission lifetime shrinks from thousands of seconds to the millisecond scale and remains tunable. Detuning sweeps across the polariton avoided crossing allow adiabatic conversion of the photonic excitation into a collective nuclear excitation, enabling reversible quantum storage. Our results demonstrate that cavity-mediated nuclear polaritons enable deterministic lifetime engineering and coherent quantum storage in nuclear systems. |
| title | Collective Nuclear Polaritons with Coherent and Tunable Excitation Dynamics |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2603.13948 |