Two-time physics, Carroll symmetry and Jordan algebras
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866911521969274880 |
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| author | Kamenshchik, Alexander Marrani, Alessio Muscolino, Federica |
| author_facet | Kamenshchik, Alexander Marrani, Alessio Muscolino, Federica |
| contents | We describe Carroll particles with nonzero energy (i.e., particles that remain at rest) within the framework of two-time (2T) physics developed by Bars and collaborators. In a spacetime with one additional time and one additional space dimension, one can gauge the phase-space symmetry that exchanges generalized coordinates with their conjugate momenta, thereby unifying the description of apparently different one-time systems. We develop both classical and quantum descriptions of the Carroll particle arising from 2T physics, and explore links between the extended phase space of 2T physics and Freudenthal triple systems constructed over a semisimple cubic Jordan algebra (the Lorentzian spin factor). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_16276 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Two-time physics, Carroll symmetry and Jordan algebras Kamenshchik, Alexander Marrani, Alessio Muscolino, Federica High Energy Physics - Theory Mathematical Physics We describe Carroll particles with nonzero energy (i.e., particles that remain at rest) within the framework of two-time (2T) physics developed by Bars and collaborators. In a spacetime with one additional time and one additional space dimension, one can gauge the phase-space symmetry that exchanges generalized coordinates with their conjugate momenta, thereby unifying the description of apparently different one-time systems. We develop both classical and quantum descriptions of the Carroll particle arising from 2T physics, and explore links between the extended phase space of 2T physics and Freudenthal triple systems constructed over a semisimple cubic Jordan algebra (the Lorentzian spin factor). |
| title | Two-time physics, Carroll symmetry and Jordan algebras |
| topic | High Energy Physics - Theory Mathematical Physics |
| url | https://arxiv.org/abs/2603.16276 |