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  Negative Modes of Oscillating Instantons

Battarra, L., Lavrelashvili, G. V., & Lehners, J.-L. (2012). Negative Modes of Oscillating Instantons. Physical Review D, 86: 124001. doi:10.1103/PhysRevD.86.124001.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-0D17-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-0D19-3
Genre: Journal Article

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1208.2182 (Preprint), 2MB
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 Creators:
Battarra, Lorenzo, Author
Lavrelashvili, George V.1, Author              
Lehners, Jean-Luc2, Author              
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              
2Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We investigate in detail the properties of oscillating instanton solutions discussed recently in the literature. We find that the solutions with N nodes contain exactly N homogeneous negative modes in their spectrum of linear perturbations. The existence of extra negative modes for the N > 1 solutions suggest that they are not final state physical objects resulting from tunneling, but rather unstable intermediate thermal configurations. By contrast, the single negative mode for the N = 1 instanton confirms its interpretation as mediating the curved-space tunneling between vacua with equal energy densities.

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 Dates: 2012-08-102012
 Publication Status: Published in print
 Pages: 21 pages, 7 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1208.2182
DOI: 10.1103/PhysRevD.86.124001
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 86 Sequence Number: 124001 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258