Spectrum of third-order tensor perturbations induced by excited scalar fields
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DOI: 10.1103/physrevd.111.103508
Abstract: We calculate for the first time the third-order spectrum of gravitational waves sourced by the amplified scalar field perturbations during inflation using the in-in formalism, and discuss the conditions for the third-order spectrum to be… read more here.
Keywords: order spectrum; third order; spectrum third; order tensor ... See more keywords