Please use this identifier to cite or link to this item:
https://hdl.handle.net/2445/12338
Title: | Classical anisotropies in models of open inflation |
Author: | Garriga Torres, Jaume Mukhanov, V. F. |
Keywords: | Anisotropia Teoria de camps (Física) Anisotropy Field theory (Physics) |
Issue Date: | 1997 |
Publisher: | The American Physical Society |
Abstract: | In the simplest model of open inflation there are two inflaton fields decoupled from each other. One of them, the tunneling field, produces a first stage of inflation which prepares the ground for the nucleation of a highly symmetric bubble. The other, a free field, drives a second period of slow-roll inflation inside the bubble. However, the second field also evolves during the first stage of inflation, which to some extent breaks the needed symmetry. We show that this generates large supercurvature anisotropies which, together with the results of Tanaka and Sasaki, rule out this class of simple models (unless, of course, Omega0 is sufficiently close to 1). The problem does not arise in modified models where the second field does not evolve in the first stage of inflation. |
Note: | Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevD.56.2439 |
It is part of: | Physical Review D, 1997, vol. 56, núm. 4, p. 2439 |
URI: | https://hdl.handle.net/2445/12338 |
Related resource: | http://dx.doi.org/10.1103/PhysRevD.56.2439 |
ISSN: | 0556-2821 |
Appears in Collections: | Articles publicats en revistes (Física de la Matèria Condensada) |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
507984.pdf | 81.63 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.