

Other version: https://linkinghub.elsevier.com/retrieve/pii/S1355219818300716
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Have we lost spacetime on the way? Narrowing the gap between general relativity and quantum gravity |
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Published in | Studies in History and Philosophy of Science. B, Studies in History and Philosophy of Modern Physics. 2019, vol. 65, p. 112-121 | |
Abstract | Important features of space and time are taken to be missing in quantum gravity, allegedly requiring an explanation of the emergence of spacetime from non-spatio-temporal theories. In this paper, we argue that the explanatory gap between general relativity and non-spatio-temporal quantum gravity theories might significantly be reduced with two moves. First, we point out that spacetime is already partially missing in the context of general relativity when understood from a dynamical perspective. Second, we argue that most approaches to quantum gravity already start with an in-built distinction between structures to which the asymmetry between space and time can be traced back. | |
Keywords | Spacetime — Emergence — General relativity — Metaphysics — Quantum gravity — String theory — Loop quantum gravity — Causal set theory — Ontology — Dynamical approach | |
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![]() ![]() Other version: https://linkinghub.elsevier.com/retrieve/pii/S1355219818300716 |
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Research groups | Geneva Centre for Philosophy of Science Geneva Symmetry Group | |
Citation (ISO format) | LE BIHAN, Baptiste, LINNEMANN, Niels Siegbert. Have we lost spacetime on the way? Narrowing the gap between general relativity and quantum gravity. In: Studies in History and Philosophy of Science. B, Studies in History and Philosophy of Modern Physics, 2019, vol. 65, p. 112-121. doi: 10.1016/j.shpsb.2018.10.010 https://archive-ouverte.unige.ch/unige:114975 |