Gravity localization and mass hierarchy in scalar-tensor branes

Abstract

We consider a braneworld model in the scalar-tensor gravity. In order to solve the gauge hierarchy problem in this model, our world should be confined on the positive tension brane rather than on the negative one. This is crucial to reproduce a correct Friedmann-like equation on the brane. Interestingly, it is found that the spacing of mass spectrum in this scenario is very tiny, but the light gravitons cannot be observed individually in colliders because of their sufficiently weak interaction with matter fields on the visible brane.

5 pages, publication version as a Brief Report in Physical Review D

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• Configurational Entropy and braneworlds in f(T,B) gravity
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• Localization and mass spectra of various matter fields on scalar-tensor brane
• Gravity and Matters on a pure geometric thick polynomial $f(R)$ brane
• The Hierarchy Problem and New Warped Extra Dimension
• Localization of scalar field on the brane-world by coupling with gravity
• Localization of Gravitino Field on Thin Branes
• Warped Brane worlds in Critical Gravity
• Pure Geometric Branes and Mass Hierarchy
• Effect of the Chameleon Scalar Field on Brane Cosmological Evolution
• Deflation of Vacuum Energy During Inflation Due to Bulk-Brane Interaction
• Localization of five-dimensional Elko Spinors on dS/AdS Thick Branes
• Localization of Vector Field on Pure Geometrical Thick Brane
• A braneworld model in a massive gravity
• First-order formalism and thick branes in mimetic gravity