Weatherall, James Owen (2017) Conservation, Inertia, and Spacetime Geometry. [Preprint]
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Abstract
As Harvey Brown emphasizes in his book Physical Relativity, inertial motion in general relativity is best understood as a theorem, and not a postulate. Here I discuss the status of the "conservation condition", which states that the energy-momentum tensor associated with non-interacting matter is covariantly divergence-free, in connection with such theorems. I argue that the conservation condition is best understood as a consequence of the differential equations governing the evolution of matter in general relativity and many other theories. I conclude by discussing what it means to posit a certain spacetime geometry and the relationship between that geometry and the dynamical properties of matter.
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| Item Type: | Preprint | ||||||
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| Keywords: | Harvey Brown Physical Relativity general relativity Newton-Cartan theory TeVes Unimodular gravity puzzleball view | ||||||
| Subjects: | Specific Sciences > Physics > Cosmology Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Relativity Theory General Issues > Structure of Theories |
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| Depositing User: | James Owen Weatherall | ||||||
| Date Deposited: | 16 Aug 2017 14:45 | ||||||
| Last Modified: | 16 Aug 2017 14:45 | ||||||
| Item ID: | 13330 | ||||||
| Subjects: | Specific Sciences > Physics > Cosmology Specific Sciences > Physics > Fields and Particles Specific Sciences > Physics > Relativity Theory General Issues > Structure of Theories |
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| Date: | 2017 | ||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/13330 |
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Conservation, Inertia, and Spacetime Geometry. (deposited 08 Feb 2017 18:01)
- Conservation, Inertia, and Spacetime Geometry. (deposited 16 Aug 2017 14:45) [Currently Displayed]
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