Relational observables in 2d quantum gravity

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dc.creatorGary, Michael
dc.creatorGiddings, Steven B.
dc.date2006-12-19
dc.date2007-02-24
dc.date.accessioned2026-07-07T11:59:35Z
dc.date.available2026-07-07T11:59:35Z
dc.descriptionLocal observation is an important problem both for the foundations of a quantum theory of gravity and for applications to quantum-cosmological problems such as eternal inflation. While gauge invariant local observables can't be defined, it has been argued that appropriate relational observables approximately reduce to local observables in certain states. However, quantum mechanics and gravity together imply limitations on the precision of their localization. Such a relational framework is studied in the context of two-dimensional gravity, where there is a high degree of analytic control. This example furnishes a concrete example of some of the essential features of relational observables.
dc.description15 pages, 1 figure, harvmac. v1: reference added
dc.identifierhttps://arxiv.org/abs/hep-th/0612191
dc.identifierhttp://arxiv.org/abs/hep-th/0612191
dc.identifierPhys.Rev.D75:104007,2007
dc.identifierdoi:10.1103/PhysRevD.75.104007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206612
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleRelational observables in 2d quantum gravity
dc.typetext

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