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Gravitational Baryogenesis in Hořava–Lifshitz gravity

Sayani Maity

Department of Mathematics, Techno India Salt Lake, Sector-V, Kolkata 700 091, India

E-mail Address: sayani.maity88@gmail.com

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and

Prabir Rudra

http://orcid.org/0000-0002-5791-5696

Department of Mathematics, Asutosh College, Kolkata 700 026, India

E-mail Address: prudra.math@gmail.com

Corresponding author.

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https://doi.org/10.1142/S0217732319502031Cited by:11 (Source: Crossref)

Abstract

In this work, we intend to address the matter–antimatter asymmetry via the gravitational baryogenesis mechanism in the background of a quantum theory of gravity. We investigate this mechanism under the framework of Hořava–Lifshitz gravity. We will compute the baryon-to-entropy ratio in the chosen framework and investigate its physical viability against the observational bounds. We also conduct the above study for various sources of matter like scalar field and Chaplygin gas as specific examples. We speculate that quantum corrections from the background geometry will lead to interesting results.

Keywords:

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