Some Thoughts on the Quantum Theory of de Sitter Space

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dc.creatorBanks, T.
dc.date2003-05-02
dc.date.accessioned2026-07-07T02:08:23Z
dc.date.available2026-07-07T02:08:23Z
dc.descriptionThis is a summary of two lectures I gave at the Davis Conference on Cosmic Inflation. I explain why the quantum theory of de Sitter (dS) space should have a finite number of states and explore gross aspects of the hypothetical quantum theory, which can be gleaned from semiclassical considerations. The constraints of a self-consistent measurement theory in such a finite system imply that certain mathematical features of the theory are unmeasurable, and that the theory is consequently mathematically ambiguous. There will be a universality class of mathematical theories all of whose members give the same results for local measurements, within the {\it a priori} constraints on the precision of those measurements, but make different predictions for unmeasurable quantities, such as the behavior of the system on its Poincare recurrence time scale. A toy model of dS quantum mechanics is presented.
dc.descriptionTalk presented at Davis Inflation Meeting, 2003 {astro-ph/0304225}
dc.identifierhttps://arxiv.org/abs/astro-ph/0305037
dc.identifierhttp://arxiv.org/abs/astro-ph/0305037
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6027
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleSome Thoughts on the Quantum Theory of de Sitter Space
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