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Coupling of Brans-Dicke scalar field with Horava-Lifshitz gravity
- Authors
- Lee, Joohan; Lee, Tae Hoon; Oh, Phillial
- Issue Date
- 18-Jul-2011
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Horava-Lifshitz gravity; Brans-Dicke theory
- Citation
- PHYSICS LETTERS B, v.701, no.4, pp.393 - 397
- Journal Title
- PHYSICS LETTERS B
- Volume
- 701
- Number
- 4
- Start Page
- 393
- End Page
- 397
- ISSN
- 0370-2693
- Abstract
- We look for a Brans-Dicke type generalization of Horava-Lifshitz gravity. It is shown that such a generalization is possible within the detailed balance condition. Classically, the resulting theory reduces in the low energy limit to the usual Brans-Dicke theory with a negative cosmological constant for certain values of parameters. We then consider homogeneous, isotropic cosmology and study the effects of the new terms appearing in the model. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- Lee, Tae Hoon
- College of Natural Sciences (Department of Physics)