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| Natura: | Preprint |
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2022
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| Accesso online: | https://arxiv.org/abs/2201.08291 |
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| _version_ | 1866916359921729536 |
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| author | Yang, Qiaoli Gao, Yu Peng, Zhihui |
| author_facet | Yang, Qiaoli Gao, Yu Peng, Zhihui |
| contents | Exploring the mysterious dark matter is a key quest in modern physics. Currently, detecting axions, a hypothetical particle proposed as a primary component of dark matter, remains a significant challenge due to their weakly interacting nature. Here we show at quantum level that in a cavity permeated by a magnetic field, the single axion-photon conversion rate is enhanced by the cavity quality factor and is quantitatively larger than the classical result by $π/2$. The axion cavity can be considered a quantum device emitting single photons with temporal separations. This differs from the classical picture and reveals a possibility for the axion cavity experiment to handle the signal sensitivity at the quantum level, e.g., a dual path quantum interferometry with cross-power and second-order correlation measurements. This scheme would greatly reduce the signal scanning time and improve the sensitivity of the axion-photon coupling, potentially leading to the direct observation of axions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2201_08291 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Quantum dual-path interferometry scheme for axion dark matter searches Yang, Qiaoli Gao, Yu Peng, Zhihui High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Quantum Physics Exploring the mysterious dark matter is a key quest in modern physics. Currently, detecting axions, a hypothetical particle proposed as a primary component of dark matter, remains a significant challenge due to their weakly interacting nature. Here we show at quantum level that in a cavity permeated by a magnetic field, the single axion-photon conversion rate is enhanced by the cavity quality factor and is quantitatively larger than the classical result by $π/2$. The axion cavity can be considered a quantum device emitting single photons with temporal separations. This differs from the classical picture and reveals a possibility for the axion cavity experiment to handle the signal sensitivity at the quantum level, e.g., a dual path quantum interferometry with cross-power and second-order correlation measurements. This scheme would greatly reduce the signal scanning time and improve the sensitivity of the axion-photon coupling, potentially leading to the direct observation of axions. |
| title | Quantum dual-path interferometry scheme for axion dark matter searches |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Quantum Physics |
| url | https://arxiv.org/abs/2201.08291 |