Life of cosmological perturbations in modified dispersion relation models and the prospect of traveling primordial gravitational waves
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DOI: 10.1103/physrevd.100.123501
Abstract: We follow the life of a generic primordial perturbation mode (scalar or tensor) subject to modified dispersion relations (MDR), as its proper wavelength is stretched by expansion. A necessary condition ensuring that travelling waves can… read more here.
Keywords: life cosmological; life; gravity; modified dispersion ... See more keywords