Cosmological vorticity in a gravity with quadratic order curvature couplings
- 15 February 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 57 (4) , 2617-2620
- https://doi.org/10.1103/physrevd.57.2617
Abstract
We analyze the evolution of the rotational-type cosmological perturbation in a gravity with general quadratic order gravitational coupling terms. The result is expressed independently of the generalized nature of the gravity theory, and is simply interpreted as a conservation of the angular momentum.Keywords
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