Non-Gaussianity from entanglement during inflation
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DOI: 10.1088/1475-7516/2019/07/021
Abstract: We compute the bi-spectrum of CMB temperature fluctuations for a state where the metric perturbation $\zeta$ is entangled with a spectator scalar field $\chi$. Novel terms in the cubic $\zeta$ action coupled to the scalar… read more here.
Keywords: non gaussianity; entanglement inflation; cosmology; spectrum ... See more keywords