Past-directed scalar field gradients and scalar-tensor thermodynamics
We refine and slightly enlarge the recently proposed first-order thermodynamics of scalar-tensor gravity to include gravitational scalar fields with timelike and past-directed gradients. The implications and subtleties arising in this situation are discussed and an exact cosmological solution of sca...
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| Veröffentlicht in: | General relativity and gravitation 2023, Vol.55 (3), p.47-47, Article 47 |
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| container_title | General relativity and gravitation |
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| creator | Giusti, Andrea Giardino, Serena Faraoni, Valerio |
| description | We refine and slightly enlarge the recently proposed first-order thermodynamics of scalar-tensor gravity to include gravitational scalar fields with timelike and past-directed gradients. The implications and subtleties arising in this situation are discussed and an exact cosmological solution of scalar-tensor theory in first-order thermodynamics is revisited in light of these results. |
| doi_str_mv | 10.1007/s10714-023-03095-7 |
| format | Article |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Astronomy Astrophysics and Cosmology Classical and Quantum Gravitation Differential Geometry Gravity Mathematical analysis Mathematical and Computational Physics Physics Physics and Astronomy Quantum Physics Relativity Theory Scalars Tensors Theoretical Thermodynamics |
| title | Past-directed scalar field gradients and scalar-tensor thermodynamics |
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