On gravity localization under Lorentz violation in warped scenario

Recently Rizzo studied the Lorentz Invariance Violation (LIV) in a brane scenario with one extra dimension where he found a non-zero mass for the four-dimensional graviton. This leads to the conclusion that five-dimensional models with LIV are not phenomenologically viable. In this work we re-examin...

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Bibliographic Details
Published inPhysics letters. B Vol. 718; no. 3; pp. 1114 - 1118
Main Authors Santos, Victor, Almeida, C.A.S.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 08.01.2013
Subjects
Classical theories of gravity
Cosmological constant
Elementary particles
Gravitation
Gravitons
Hierarchies
Invariance
Large extra dimensions
Localization
Lorentz invariance violation
Mathematical models
Classical theories of gravity
Large extra dimensions
Lorentz invariance violation
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Summary:Recently Rizzo studied the Lorentz Invariance Violation (LIV) in a brane scenario with one extra dimension where he found a non-zero mass for the four-dimensional graviton. This leads to the conclusion that five-dimensional models with LIV are not phenomenologically viable. In this work we re-examine the issue of Lorentz Invariance Violation in the context of higher-dimensional theories. We show that a six-dimensional geometry describing a string-like defect with a bulk-dependent cosmological constant can yield a massless 4D graviton, if we allow the cosmological constant variation along the bulk, and thus can provides a phenomenologically viable solution for the gauge hierarchy problem.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2012.11.045