Publication Date:
2012-02-29
Description:
Author(s): Hiroyuki Kitamoto and Yoshihisa Kitazawa We extend our investigation on a possible de Sitter symmetry breaking mechanism in nonlinear sigma models. The scale invariance of the quantum fluctuations could make the cosmological constant time dependent signaling the de Sitter symmetry breaking. To understand such a symmetry breaking mechanism,... [Phys. Rev. D 85, 044062] Published Tue Feb 28, 2012
Keywords:
General relativity, gravitation
Print ISSN:
0556-2821
Electronic ISSN:
1089-4918
Topics:
Physics
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