Primordial cosmology with quadratic curvature terms
ORAL
Abstract
We study the tensor and scalar primordial power spectrum in an effective theory of gravity described by R + R2 + Weyl2. Higher order derivatives in time due to the Weyl-squared term are treated self-consistently by applying the reduction of order technique. Corrections to the predictions of Starobinsky inflation are discussed.
*E.B. acknowledges support from the National Science Foundation Grant No. PHY-2207851, and from the John Templeton Foundation via the ID 61466, as part of the "Quantum Information Structure of Spacetime" (QISS) project. M.G. has been partially supported by a Chile/US agreement through the BIO-ANID Fulbright Scholarship ID 00315378, by the Penn State Eberly College of Science, and by the Blaumann Foundation.
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Presenters
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Mauricio Gamonal
- Pennsylvania State University