Publication Date:
2011-02-25
Description:
Author(s): Jean-Luc Lehners and Paul J. Steinhardt In inflationary models, the predicted amplitude of primordial density perturbations Q is much larger than the observed value (∼10^{-5} ) for natural choices of parameters. To explain the requisite exponential fine-tuning, anthropic selection is often invoked, especially in cases where microphysics... [Phys. Rev. Lett. 106, 081301] Published Thu Feb 24, 2011
Keywords:
Gravitation and Astrophysics
Print ISSN:
0031-9007
Electronic ISSN:
1079-7114
Topics:
Physics
Permalink