Baryogenesis in $$f(Q,{\mathcal { T}})$$ f(Q,T) gravity
Abstract The article communicates exploration of gravitational baryogenesis in presence of $$f(Q,{\mathcal { T}})$$ f(Q,T) gravity where Q denote the nonmetricity and $${\mathcal { T}}$$ T the trace of the energy momentum tensor. We study various baryogenesis interactions proportional to $$\dot{Q}$$...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2020-03-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-020-7844-7 |
| Summary: | Abstract The article communicates exploration of gravitational baryogenesis in presence of $$f(Q,{\mathcal { T}})$$ f(Q,T) gravity where Q denote the nonmetricity and $${\mathcal { T}}$$ T the trace of the energy momentum tensor. We study various baryogenesis interactions proportional to $$\dot{Q}$$ Q˙ and $$\dot{Q}f_{Q}$$ Q˙fQ for the $$f(Q,{\mathcal { T}})$$ f(Q,T) gravity model $$f(Q,{\mathcal { T}})=\alpha Q ^{n+1} + \beta {\mathcal { T}}$$ f(Q,T)=αQn+1+βT , where $$\alpha $$ α , $$\beta $$ β and n are model parameters. Additionally we report the viable parameter spaces for which an observationally consistent baryon-to-entropy can be generated. Our results indicate that $$f(Q,{\mathcal { T}})$$ f(Q,T) gravity can contribute significantly and consistently to the phenomenon of gravitational baryognesis. |
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| ISSN: | 1434-6044 1434-6052 |