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Phys. Rev. D 59, 083507 (1999) [5 pages]

Constraints on inflation in the Einstein-Brans-Dicke frame

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Yungui Gong*
Physics Department, University of Texas at Austin, Austin, Texas 78712

Received 20 August 1998; published 19 March 1999

The density perturbation during inflation seeds the large scale structure of the Universe. We consider both new inflation-type and chaotic inflation-type potentials in the framework of Einstein-Brans-Dicke gravity. The density perturbation gives strong constraints on the parameters in these potentials. For both potentials, the constraints are not much different from those obtained in the original inflationary models by using Einstein gravity.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.59.083507
DOI:
10.1103/PhysRevD.59.083507
PACS:
98.80.Cq, 04.50.+h

*Email address: ygong@physics.utexas.edu