Partial and complete observables for canonical general relativity
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Publication:3418933
DOI10.1088/0264-9381/23/22/006zbMATH Open1111.83015arXivgr-qc/0507106OpenAlexW3106434624WikidataQ56139207 ScholiaQ56139207MaRDI QIDQ3418933
Author name not available (Why is that?)
Publication date: 5 February 2007
Published in: (Search for Journal in Brave)
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.
Full work available at URL: https://arxiv.org/abs/gr-qc/0507106
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