http://arxiv.org/abs/1803.03814
Inflation may provide a suitable collider to probe physics at very high energies. In this paper we investigate the impact on the CMB bispectrum of higher spin fields which are long-lived on super-Hubble scales, e.g. partially massless higher spin fields. We show that distinctive statistical anisotropic signals on the CMB three-point correlator are induced and we investigate their detectability.
G. Franciolini, A. Kehagias, A. Riotto et. al.
Tue, 13 Mar 2018
42/61
Comments: 11 pages, 5 figures
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