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  Partial and Complete Observables for Canonical General Relativity

Dittrich, B. (2006). Partial and Complete Observables for Canonical General Relativity. Classical and Quantum Gravity, 23(22), 6155-6184.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4B32-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4B33-1
Genre: Journal Article

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cqg6_22_006.pdf (Publisher version), 320KB
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 Creators:
Dittrich, Bianca1, Author              
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: In this work we will consider the concepts of partial and complete observables for canonical general relativity. These concepts provide a method to calculate Dirac observables. The central result of this work is that one can compute Dirac observables for general relativity by dealing with just one constraint. For this we have to introduce spatial diffeomorphism invariant Hamiltonian constraints. It will turn out that these can be made to be Abelian. Furthermore the methods outlined here provide a connection between observables in the space--time picture, i.e. quantities invariant under space--time diffeomorphisms, and Dirac observables in the canonical picture.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Published in print
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 Identifiers: eDoc: 237989
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 23 (22) Sequence Number: - Start / End Page: 6155 - 6184 Identifier: -