Bonn 2020 – scientific programme
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GR: Fachverband Gravitation und Relativitätstheorie
GR 10: Quantum Gravity and Quantum Cosmology 1
GR 10.3: Talk
Wednesday, April 1, 2020, 17:00–17:15, H-HS IX
Quantum cosmology of Starobinsky inflation revisited — Mariam Bouhmadi-López1,2 and •Manuel Krämer3 — 1Department of Theoretical Physics, University of the Basque Country UPV/EHU, Bilbao, Spain — 2IKERBASQUE, Basque Foundation for Science, Bilbao, Spain — 3Institute for Theoretical Physics, KU Leuven, Belgium
We study the canonical quantization of a cosmological model of Starobinsky inflation. We solve the resulting Wheeler--DeWitt equation in the Einstein frame formulation using a Born--Oppenheimer approximation and compare our findings to the quantization in the Jordan frame. We then discuss the implications for the question of whether Jordan and Einstein frame are equivalent at the quantum level.