Dilaton gravity, Poisson sigma models and loop quantum gravity

Martin Bojowald, Juan D. Reyes

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Spherically symmetric gravity in Ashtekar variables coupled to Yang-Mills theory in two dimensions and its relation to dilaton gravity and Poisson sigma models are discussed. After introducing its loop quantization, quantum corrections for inverse triad components are shown to provide a consistent deformation without anomalies. The relation to Poisson sigma models provides a covariant action principle of the quantum-corrected theory with effective couplings. Results are also used to provide loop quantizations of spherically symmetric models in arbitrary D spacetime dimensions.

Original languageEnglish (US)
Article number035018
JournalClassical and Quantum Gravity
Volume26
Issue number3
DOIs
StatePublished - 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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