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  Effective constraints of loop quantum gravity

Bojowald, M., Hernandez, H. H., Kagan, M., Singh, P., & Skirzewski, A. (2007). Effective constraints of loop quantum gravity. Physical Review D, 75: 064022. doi:10.1103/PhysRevD.75.064022.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-4A28-1 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-4A29-0
Genre: Journal Article

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 Creators:
Bojowald, Martin1, Author
Hernandez, Hector H.1, Author
Kagan, Mikhail, Author
Singh, Parampreet, Author
Skirzewski, Aureliano1, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: Within a perturbative cosmological regime of loop quantum gravity corrections to effective constraints are computed. This takes into account all inhomogeneous degrees of freedom relevant for scalar metric modes around flat space and results in explicit expressions for modified coefficients and of higher order terms. It also illustrates the role of different scales determining the relative magnitude of corrections. Our results demonstrate that loop quantum gravity has the correct classical limit, at least in its sector of cosmological perturbations around flat space, in the sense of perturbative effective theory.

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 Dates: 2007
 Publication Status: Issued
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 Identifiers: eDoc: 293624
DOI: 10.1103/PhysRevD.75.064022
URI: http://link.aps.org/abstract/PRD/v75/e064022
Other: arXiv:gr-qc/0611112
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 75 Sequence Number: 064022 Start / End Page: - Identifier: -