Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/131458
Title: | Eternal inflation, bubble collisions and the persistence of memory |
Author: | Garriga Torres, Jaume Guth, Alan H. Vilenkin, A. (Alexander) |
Keywords: | Física de partícules Col·lisions (Física) Particle physics Collisions (Physics) |
Issue Date: | 27-Dec-2007 |
Publisher: | American Physical Society |
Abstract: | A "bubble universe" nucleating in an eternally inflating false vacuum will experience, in the course of its expansion, collisions with an infinite number of other bubbles. In an idealized model, we calculate the rate of collisions around an observer inside a given reference bubble. We show that the collision rate violates both the homogeneity and the isotropy of the bubble universe. Each bubble has a center which can be related to "the beginning of inflation" in the parent false vacuum, and any observer not at the center will see an anisotropic bubble collision rate that peaks in the outward direction. Surprisingly, this memory of the onset of inflation persists no matter how much time elapses before the nucleation of the reference bubble. |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.76.123512 |
It is part of: | Physical Review D, 2007, vol. 76, num. 12, p. 123512 |
URI: | http://hdl.handle.net/2445/131458 |
Related resource: | https://doi.org/10.1103/PhysRevD.76.123512 |
ISSN: | 1550-7998 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
Files in This Item:
File | Description | Size | Format | |
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568322.pdf | 298.49 kB | Adobe PDF | View/Open |
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