On the Dynamics of Extended Bodies and the GravoThermo Memory Effect
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911130338721792 |
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| author | Moti, Raihaneh Shojai, Ali |
| author_facet | Moti, Raihaneh Shojai, Ali |
| contents | The non-linearity of the theory of gravity induces a hysteresis effect in both the systems interacting with gravity and in the gravitational field. The effect is usually referred to as the memory effect. In this paper, we explore this phenomenon in the context of the dynamics of extended rotating objects in the presence of a gravitational wave pulse. Then, we consider an ensemble of such objects and show that a redistribution of spin orientations takes place as a gravitational wave passes through. We examine how this redistribution, changes the partition function and the thermodynamic quantities including entropy and energy of the system. The result shows that some information about the source of the gravitation wave is encoded in the thermodynamics of the system. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2508_19231 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the Dynamics of Extended Bodies and the GravoThermo Memory Effect Moti, Raihaneh Shojai, Ali General Relativity and Quantum Cosmology High Energy Physics - Theory The non-linearity of the theory of gravity induces a hysteresis effect in both the systems interacting with gravity and in the gravitational field. The effect is usually referred to as the memory effect. In this paper, we explore this phenomenon in the context of the dynamics of extended rotating objects in the presence of a gravitational wave pulse. Then, we consider an ensemble of such objects and show that a redistribution of spin orientations takes place as a gravitational wave passes through. We examine how this redistribution, changes the partition function and the thermodynamic quantities including entropy and energy of the system. The result shows that some information about the source of the gravitation wave is encoded in the thermodynamics of the system. |
| title | On the Dynamics of Extended Bodies and the GravoThermo Memory Effect |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2508.19231 |