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Bouncing loop quantum cosmology in Gauss-Bonnet gravity

Jaume de HaroUniversitat Politècnica de Catalunya, 08028 Barcelona, SpainА. Н. МакаренкоNational Research Tomsk State University, 634050 Tomsk, RussiaAlexandr N. MyagkyNational Research Tomsk Polytechnic University, 634050 Tomsk, RussiaSergei D. OdintsovICREA, Passeig Lluís Companys, 23, 08010 Barcelona, SpainV. K. OikonomouLaboratory of Theoretical Cosmology, Tomsk State University of Control Systems and Radioelectronics, 634050 Tomsk, Russia (TUSUR)
2015en
ABI

Abstract

We develop an effective Gauss-Bonnet extension of loop quantum cosmology, by introducing holonomy corrections in modified $F(\mathcal{G})$ theories of gravity. Within the context of our formalism, we provide a perturbative expansion in the critical density, a parameter characteristic of loop quantum gravity theories, and we result in having leading order corrections to the classical $F(\mathcal{G})$ theories of gravity. After extensively discussing the formalism, we present a reconstruction method that makes it possible to find the loop quantum cosmology corrected $F(\mathcal{G})$ theory that can realize various cosmological scenarios. We exemplify our theoretical constructions by using bouncing cosmologies, and we investigate which loop quantum cosmology corrected Gauss-Bonnet modified gravities can successfully realize such cosmologies.

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