Publication Date:
2018-05-30
Description:
Author(s): Aniket Agrawal, Tomohiro Fujita, and Eiichiro Komatsu We show that an inflation model in which a spectator axion field is coupled to an S U ( 2 ) gauge field produces a large three-point function (bispectrum) of primordial gravitational waves, B h , on the scales relevant to the cosmic microwave background experiments. The amplitude of the bispectrum at the ... [Phys. Rev. D 97, 103526] Published Tue May 29, 2018
Keywords:
Cosmology
Print ISSN:
0556-2821
Electronic ISSN:
1089-4918
Topics:
Physics