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  Quantum Gravity from Timelike Liouville theory

Bautista, T., Dabholkar, A., & Erbin, H. (2019). Quantum Gravity from Timelike Liouville theory. Journal of High Energy Physics, 2019(10): 284. doi:10.1007/JHEP10(2019)284.

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 Creators:
Bautista, Teresa1, Author           
Dabholkar, Atish, Author
Erbin, Harold, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: A proper definition of the path integral of quantum gravity has been a
long-standing puzzle because the Weyl factor of the Euclidean metric has a
wrong-sign kinetic term. We propose a definition of two-dimensional Liouville
quantum gravity with cosmological constant using conformal bootstrap for the
timelike Liouville theory coupled to supercritical matter. We prove a no-ghost
theorem for the states in the BRST cohomology. We show that the four-point
function constructed by gluing the timelike Liouville three-point functions is
well defined and crossing symmetric for external Liouville energies
corresponding to \textit{all} physical states in the BRST cohomology with the
choice of the Ribault--Santachiara contour for the internal energy.

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 Dates: 2019-05-292019
 Publication Status: Issued
 Pages: 42 pages
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2019 (10) Sequence Number: 284 Start / End Page: - Identifier: -