Equivalence principles in Weyl transverse gravity
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866918284831490048 |
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| author | Alonso-Serrano, Ana Garay, Luis J. Liška, Marek |
| author_facet | Alonso-Serrano, Ana Garay, Luis J. Liška, Marek |
| contents | There exist two consistent theories of massless, self-interacting gravitons, which differ by their local symmetries: general relativity and Weyl transverse gravity. We show that these two theories are also the only two metric descriptions of gravity in 4 spacetime dimensions which obey the equivalence principle for test gravitational physics. We further analyse how the weaker formulations of the equivalence principle are realised in Weyl transverse gravity (and its generalisations). The analysis sheds light on the behaviour of matter fields in this theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_03888 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Equivalence principles in Weyl transverse gravity Alonso-Serrano, Ana Garay, Luis J. Liška, Marek General Relativity and Quantum Cosmology High Energy Physics - Theory There exist two consistent theories of massless, self-interacting gravitons, which differ by their local symmetries: general relativity and Weyl transverse gravity. We show that these two theories are also the only two metric descriptions of gravity in 4 spacetime dimensions which obey the equivalence principle for test gravitational physics. We further analyse how the weaker formulations of the equivalence principle are realised in Weyl transverse gravity (and its generalisations). The analysis sheds light on the behaviour of matter fields in this theory. |
| title | Equivalence principles in Weyl transverse gravity |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2502.03888 |