Dey, Paramita ; Mukhopadhyaya, Biswarup ; SenGupta, Soumitra (2009) Neutrino masses, the cosmological constant, and a stable universe in a Randall-Sundrum scenario Physical Review D - Particles, Fields, Gravitation and Cosmology, 80 (5). Article ID 055029. ISSN 1550-7998
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Official URL: https://journals.aps.org/prd/abstract/10.1103/Phys...
Related URL: http://dx.doi.org/10.1103/PhysRevD.80.055029
Abstract
The Randall-Sundrum model of warped geometry in a five-dimensional scenario, aimed at explaining the hierarchy between the Planck and electroweak scales, is intrinsically unstable in its minimal form due to negative tension of the visible brane. A proposed solution to the problem yields a negative cosmological constant in four dimensions. We show that this wrong-sign cosmological constant is restricted to small values, therefore requiring less cancellation from hitherto unknown physics, if bulk neutrinos are postulated to explain the observed neutrino mass pattern. Thus neutrino masses, a stable TeV-brane configuration and new physics in the context of the cosmological constant get rather suggestively connected by the same thread.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Physical Society. |
ID Code: | 114629 |
Deposited On: | 05 Jun 2018 04:51 |
Last Modified: | 05 Jun 2018 04:51 |
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