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Related papers: $f(T)$ gravitational baryogenesis

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The article communicates exploration of gravitational baryogenesis in presence of $f(Q,\mathcal{ T})$ gravity where $Q$ denote the nonmetricity and $\mathcal{ T}$ the trace of the energy momentum tensor. We study various baryogenesis…

General Physics · Physics 2020-04-02 Snehasish Bhattacharjee , P. K. Sahoo

Gravitational baryogenesis is one of the mechanisms which help us to explore more about our early universe, especially baryon-anti-baryon asymmetry. As we know, modified theories of gravity are very successful in describing the present…

General Relativity and Quantum Cosmology · Physics 2023-05-23 Sai Swagat Mishra , Sanjay Mandal , P. K. Sahoo

In this work, we investigate gravitational baryogenesis in the framework of $f(P)$ gravity to understand the applicability of this class of modified gravity in addressing the baryon asymmetry of the Universe. For the analysis, we set $f(P)…

General Relativity and Quantum Cosmology · Physics 2021-11-23 Snehasish Bhattacharjee

The observed matter-antimatter asymmetry of the Universe remains a fundamental challenge in modern physics. In this work, we explore gravitational baryogenesis within the framework of $f(T,L_m)$ gravity, where the gravitational Lagrangian…

General Relativity and Quantum Cosmology · Physics 2026-01-26 Daniel F. P. Cruz , David S. Pereira , Francisco S. N. Lobo

We consider baryogenesis in quantum fluctuation modified gravity. We explore three forms (two are newly proposed here) of baryogenesis interaction and discuss the effect of these interaction terms on the baryon-to-entropy ratio during the…

General Relativity and Quantum Cosmology · Physics 2024-09-18 Rong-Jia Yang , Yong-Ben Shi

We study the $f(R)$ theory of gravity in an anisotropic metric and its effect on the baryon number to entropy ratio. The mechanism of gravitational baryogenesis based on the CPT-violating gravitational interaction between derivative of the…

General Physics · Physics 2018-05-03 Ali Aghamohammadi , Hossien Hossienkhani , Khaled Saaidi

The baryogenesis presents the theoretical mechanism that describes the matter-antimatter asymmetry in the history of early universe. In this work, we investigate the gravitational baryogenesis phenomena in the frameworks of $f(T, T_G)$…

General Relativity and Quantum Cosmology · Physics 2020-09-29 Nadeem Azhar , Abdul Jawad , Shamaila Rani

The article communicates gravitational baryogenesis in non-minimal $f(T)$ gravity and $f(T,B)$ teleparallel gravity where $T$ denote the torsion scalar and $B$ a boundary term. These extended teleparallel theories of gravity differ from the…

General Relativity and Quantum Cosmology · Physics 2020-06-08 Snehasish Bhattacharjee

We study the gravitational baryogenesis mechanism for generating baryon asymmetry in the context of running vacuum models. Regardless if these models can produce a viable cosmological evolution, we demonstrate that they produce a non-zero…

General Relativity and Quantum Cosmology · Physics 2017-09-06 V. K. Oikonomou , Supriya Pan , Rafael C. Nunes

The origin of matter domination in the Universe is one of the most exciting open puzzles in particle physics and cosmology. Despite many theoretical developments, the actual reason behind baryon-antibaryon asymmetry is still unknown. Our…

General Relativity and Quantum Cosmology · Physics 2024-04-15 Sai Swagat Mishra , Aaqid Bhat , P. K. Sahoo

We investigate the phenomenon of gravitational baryogenesis within the context of a specific modified theory of gravity, namely, energy-momentum squared gravity or $f(R, T_{\mu\nu}T^{\mu\nu})$ gravity. In this framework, the gravitational…

General Relativity and Quantum Cosmology · Physics 2024-09-10 David S. Pereira , Francisco S. N. Lobo , José Pedro Mimoso

We investigate the generation of the observed baryon asymmetry of the Universe within the framework of $f(T,T_{G})$ gravity, where $T$ is the torsion scalar and $T_{G}$ denotes its teleparallel Gauss--Bonnet counterpart. Two illustrative…

General Physics · Physics 2025-12-09 Amit Samaddar , S. Surendra Singh

Our study explores gravitational baryogenesis in the context of f(R, Lm, T) gravity, where R denotes the Ricci scalar, Lm represents the Lagrangian density of the matter field, and T stands for the metric contraction of T_{mu nu}. We focus…

General Relativity and Quantum Cosmology · Physics 2025-10-30 Kalyan Malakar , Rajdeep Mazumdar , Mrinnoy M Gohain , Kalyan Bhuyan

This paper aims to recreate the gravitational baryogenesis epoch in the framework of the $f(R,L_m)$ theory of gravity, where $R$ and $L_m$ are the curvature scalar and the matter Langragian, respectively. In particular, we examine the…

General Relativity and Quantum Cosmology · Physics 2023-04-06 Lakhan V. Jaybhaye , Snehasish Bhattacharjee , P. K. Sahoo

$f(R)$-theories of gravity are reviewed in the context of the so called gravitational baryogenesis. The latter is a mechanism for generating the baryon asymmetry in the Universe, and relies on the coupling between the Ricci scalar curvature…

Astrophysics · Physics 2009-11-11 G. Lambiase , G. Scarpetta

This paper is devoted to the reproduction of the gravitational baryogenesis epoch in the context of $f(R, T)$ theory of gravity, where $R$ and $T$ are respectively the curvature scalar and the trace of the energy-momentum tensor,…

General Relativity and Quantum Cosmology · Physics 2019-02-20 E. H. Baffou , M. J. S. Houndjo , D. A. Kanfon , I. G. Salako

This work investigates the mechanism of gravitational baryogenesis (GB) under the formalism of f(R, G_{{\mu}{\nu}}T^{{\mu}{\nu}}) gravity, where R denotes the Ricci scalar, G_{{\mu}{\nu}} is the Einstein tensor and T^{{\mu}{\nu}} represents…

General Relativity and Quantum Cosmology · Physics 2026-05-15 Kalyan Malakar , Rajdeep Mazumdar , Kalyan Bhuyan

We present an examination of the $f(Q,L_{m})$ gravity model, in which the functional form $f(Q,L_{m})=\alpha Q^{n}+\beta L_{m}$ is postulated and discuss its potential impact on cosmological dynamics and the phenomenon of gravitational…

General Relativity and Quantum Cosmology · Physics 2024-10-10 Amit Samaddar , S. Surendra Singh

We investigate the observed asymmetry between matter and antimatter by incorporating higher-order matter contributions in gravity, specifically analyzing gravitational baryogenesis within the framework of $ f(R,\mathcal{T}^2) $ gravity,…

General Relativity and Quantum Cosmology · Physics 2025-05-09 David S. Pereira , Francisco S. N. Lobo , José Mimoso

Some problems of spontaneous and gravitational baryogenesis are discussed. Gravity modification due to the curvature dependent term in gravitational baryogensis scenario is considered. It is shown that the interaction of baryonic fields…

General Relativity and Quantum Cosmology · Physics 2018-12-05 E. V. Arbuzova
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