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  No-boundary solutions are robust to quantum gravity corrections

Jonas, C., & Lehners, J.-L. (2020). No-boundary solutions are robust to quantum gravity corrections. Physical Review D, 102(12): 123539. doi:10.1103/PhysRevD.102.123539.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-EFC4-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-AF55-5
Genre: Journal Article

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 Creators:
Jonas , Caroline, Author
Lehners, J.-L.1, Author              
Affiliations:
1Theoretical Cosmology, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1753351              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: The no-boundary proposal is a theory of the initial conditions of the universe formulated in semi-classical gravity, and relying on the existence of regular (complex) solutions of the equations of motion. We show by explicit computation that regular no-boundary solutions are modified, but not destroyed, upon inclusion of expected quantum gravity corrections that involve higher powers of the Riemann tensor as well as covariant derivatives thereof. We illustrate our results with examples drawn from string theory. Our findings provide a crucial self-consistency test of the no-boundary framework.

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 Dates: 2020-08-102020-12-24
 Publication Status: Published in print
 Pages: 39 pages, no figure
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2008.04134
URI: http://arxiv.org/abs/2008.04134
DOI: 10.1103/PhysRevD.102.123539
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 102 (12) Sequence Number: 123539 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258