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F-term inflation Q-balls

McDonald, J. F. (2006) F-term inflation Q-balls. Physical Review Series D, 73 (043501).

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Abstract

A general analysis of Q-ball solutions of the supersymmetric F-term hybrid inflation field equations is given. The solutions consist of a complex inflaton field and a real symmetry-breaking field, with a conserved global charge associated with the inflaton. It is shown that the Q-ball solutions for any value of the superpotential coupling, kappa, may be obtained from those with kappa=1 by rescaling the space coordinates. The complete range of Q-ball solutions for the case kappa=1 is given, from which all possible F-term inflation Q-balls can be obtained. The possible role of F-term inflation Q-balls in cosmology is discussed.

Item Type: Article
Journal or Publication Title: Physical Review Series D
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 9631
Deposited By: Mr Michael Dunne
Deposited On: 17 Jun 2008 12:30
Refereed?: Yes
Published?: Published
Last Modified: 24 Oct 2013 16:16
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/9631

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