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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.22475 |
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| _version_ | 1866915934225039360 |
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| author | Takai, Ryoto |
| author_facet | Takai, Ryoto |
| contents | This work investigates the use of linear Paul traps as quantum sensors for detecting megahertz gravitational waves. Single-ion configurations exploit graviton-photon conversion in the presence of external magnetic fields, while two-ion systems use relative-motion excitations, which do not require magnets, to distinguish gravitational waves from axion dark matter. Furthermore, we show that entanglement of $N$ vibrational qubits enhances the signal probability by a factor of $N^2$, improving sensitivity beyond the standard quantum limit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_22475 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Probing high-frequency gravitational waves with entangled vibrational qubits in linear Paul traps Takai, Ryoto High Energy Physics - Phenomenology General Relativity and Quantum Cosmology Atomic Physics Quantum Physics This work investigates the use of linear Paul traps as quantum sensors for detecting megahertz gravitational waves. Single-ion configurations exploit graviton-photon conversion in the presence of external magnetic fields, while two-ion systems use relative-motion excitations, which do not require magnets, to distinguish gravitational waves from axion dark matter. Furthermore, we show that entanglement of $N$ vibrational qubits enhances the signal probability by a factor of $N^2$, improving sensitivity beyond the standard quantum limit. |
| title | Probing high-frequency gravitational waves with entangled vibrational qubits in linear Paul traps |
| topic | High Energy Physics - Phenomenology General Relativity and Quantum Cosmology Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2509.22475 |