Lovelock gravity is equivalent to Einstein gravity coupled to form fields
Authors:
- Ram BrusteinRBRam Brustein
- A. J. M. MedvedAMA. J. M. Medved
- 4 September 2013
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 88 (6)
Abstract
Lovelock gravity is a class of higher-derivative gravitational theories whose linearized equations of motion have no more than two time derivatives. Here, it is shown that any Lovelock theory can be effectively described as Einstein gravity coupled to a p-form gauge field. This extends the known example of an f(R) theory of gravity, which can be described as Einstein gravity coupled to a scalar field.Comment: 17 pageKeywords
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