Why Einstein did not believe that general relativity geometrizes gravity |
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Institution: | 1. Faculty of Philosophy, University of Oxford, United Kingdom;2. IZWT, Bergische Universität, Wuppertal, Germany;3. Einstein Papers Project, California Institute of Technology, United States |
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Abstract: | I argue that, contrary to folklore, Einstein never really cared for geometrizing the gravitational or (subsequently) the electromagnetic field; indeed, he thought that the very statement that General Relativity geometrizes gravity “is not saying anything at all”. Instead, I shall show that Einstein saw the “unification” of inertia and gravity as one of the major achievements of General Relativity. Interestingly, Einstein did not locate this unification in the field equations but in his interpretation of the geodesic equation, the law of motion of test particles. |
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