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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2405.20506 |
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| _version_ | 1866917679750709248 |
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| author | Kent, Adrian |
| author_facet | Kent, Adrian |
| contents | Christodoulou and Rovelli (CR) [1] have argued that a Bose et al.-Marletto-Vedral (BMV) experiment that confirmed the quantum nature of gravity would give laboratory evidence for a quantum superposition of spacetime geometries created in the course of the experiment. Hanif et al. [2] have argued that mass interferometers can be used to test whether gravity acts as a quantum entity when measured. We note that not all quantum models of gravity imply that mass superpositions necessarily become significantly entangled with any degrees of freedom of the gravitational field during the experiments discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_20506 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Do small massive superpositions necessarily significantly entangle with gravity? Kent, Adrian General Relativity and Quantum Cosmology Christodoulou and Rovelli (CR) [1] have argued that a Bose et al.-Marletto-Vedral (BMV) experiment that confirmed the quantum nature of gravity would give laboratory evidence for a quantum superposition of spacetime geometries created in the course of the experiment. Hanif et al. [2] have argued that mass interferometers can be used to test whether gravity acts as a quantum entity when measured. We note that not all quantum models of gravity imply that mass superpositions necessarily become significantly entangled with any degrees of freedom of the gravitational field during the experiments discussed. |
| title | Do small massive superpositions necessarily significantly entangle with gravity? |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2405.20506 |