Effective constraints of loop quantum gravity

Martin Bojowald, Mikhail Kagan, Hector H. Hernández, Aureliano Skirzewski

Research output: Contribution to journalArticle

34 Scopus citations

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.

Original languageEnglish (US)
Article number064022
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume75
Issue number6
DOIs
StatePublished - Mar 19 2007

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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