Quantum theory of three-dimensional de Sitter space

Quantum theory of three-dimensional de Sitter space

We sketch the construction of a quantum model of three-dimensional de Sitter space, based on the covariant entropy principle and the observation that semiclassical physics suggests the possibility of a consistent theory of a finite number of unstable massive particles with purely gravitational inter...

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Veröffentlicht in:Physical review. D 2024-01, Vol.109 (2), Article 025011
Hauptverfasser: A, Sidan, Banks, Tom, Fischler, Willy
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container_title Physical review. D
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creator A, Sidan
Banks, Tom
Fischler, Willy
description We sketch the construction of a quantum model of three-dimensional de Sitter space, based on the covariant entropy principle and the observation that semiclassical physics suggests the possibility of a consistent theory of a finite number of unstable massive particles with purely gravitational interactions. Our model is holographic, finite, unitary, causal, plausibly exhibits fast scrambling, and qualitatively reproduces features of semiclassical de Sitter physics. In an appendix we outline some calculations that might lead to further tests of the model.
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