Proposal for a Quantum Mechanical Test of Gravity at Millimeter Scale
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913673546563584 |
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| author | Cheng, Yu Lin, Jiadu Sheng, Jie Yanagida, Tsutomu T. |
| author_facet | Cheng, Yu Lin, Jiadu Sheng, Jie Yanagida, Tsutomu T. |
| contents | The experimental verification of the Newton law of gravity at small scales has been a longstanding challenge. Recently, torsion balance experiments have successfully measured gravitational force at the millimeter scale. However, testing gravity force on quantum mechanical wave function at small scales remains difficult. In this paper, we propose a novel experiment that utilizes the Josephson effect to detect the different evolution of quantum phase induced from the potential difference caused by gravity. We demonstrate that this experiment can test gravity quantum mechanically at the millimeter scale, and also has a potential to investigate the parity invariance of gravity at small scales. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_16222 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Proposal for a Quantum Mechanical Test of Gravity at Millimeter Scale Cheng, Yu Lin, Jiadu Sheng, Jie Yanagida, Tsutomu T. High Energy Physics - Phenomenology Quantum Physics The experimental verification of the Newton law of gravity at small scales has been a longstanding challenge. Recently, torsion balance experiments have successfully measured gravitational force at the millimeter scale. However, testing gravity force on quantum mechanical wave function at small scales remains difficult. In this paper, we propose a novel experiment that utilizes the Josephson effect to detect the different evolution of quantum phase induced from the potential difference caused by gravity. We demonstrate that this experiment can test gravity quantum mechanically at the millimeter scale, and also has a potential to investigate the parity invariance of gravity at small scales. |
| title | Proposal for a Quantum Mechanical Test of Gravity at Millimeter Scale |
| topic | High Energy Physics - Phenomenology Quantum Physics |
| url | https://arxiv.org/abs/2405.16222 |