Quantum Gravity in D=5 Dimensions
Carlos Pinheiro (UFES, Brazil), F.C.Khanna (UofA, Canada)
TL;DR
This paper introduces a novel five-dimensional quantum gravity model combining topological Chern-Simons terms with Einstein-Hilbert theory, demonstrating unitarity and ghost-free propagators at tree level.
Contribution
It presents a new effective quantum gravity model in five dimensions with topological terms, ensuring unitarity and absence of ghosts at tree level.
Findings
Unitarity guaranteed at tree level
Propagator is ghost and tachyon free
Effective model of quantum gravity in D=5
Abstract
We propose a topological Chern-Simons term in D=5 dimensions coupled to Einstein Hilbert theory. Hartree approximation for topological Lagrangian and the Chern-Simons term in D=3 is considered. An effective model of Quantum Gravity in D=5 dimensions is presented here. The analysis of residues is considered and the unitarity is guaranteed at tree level. The propagator is ghost and tachyon free.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Noncommutative and Quantum Gravity Theories · Quantum chaos and dynamical systems