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Primordial scalar power spectrum from the Euclidean bounce

Abstract : In effective models of loop quantum cosmology, the holonomy corrections lead to a deformed algebra of constraints. Among other consequences of this new spacetime structure is the emergence of an Euclidean phase around the bounce. In this article, we explicitly compute the resulting primordial power spectrum for scalar modes by setting initial conditions in the contracting phase.
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Contributor : Emmanuelle Vernay <>
Submitted on : Friday, August 28, 2015 - 9:27:23 AM
Last modification on : Thursday, August 6, 2020 - 3:09:31 AM

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S. Schander, A. Barrau, B. Bolliet, J. Grain, L. Linsefors, et al.. Primordial scalar power spectrum from the Euclidean bounce. Physical Review D, American Physical Society, 2016, 93, pp.023531 ⟨10.1103/PhysRevD.93.023531⟩. ⟨in2p3-01187917⟩



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