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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

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

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

We generalize the mechanism for gravitational baryogensis in the context of $f(R)$ theories of gravity, including a nonminimal coupling between curvature and matter. In these models, the baryon asymmetry is generated through an effective…

General Relativity and Quantum Cosmology · Physics 2017-11-22 M. P. L. P. Ramos , J. Páramos

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

Loop Quantum Cosmology is an appealing quantum completion of classical cosmology, which brings along various theoretical features which in many cases offer remedy or modify various classical cosmology aspects. In this paper we address the…

General Relativity and Quantum Cosmology · Physics 2017-02-01 S. D. Odintsov , V. K. Oikonomou

The present work is related to anisotropic cosmological evolution in metric $f(R)$ theory of gravity. The initial part of the paper develops the general cosmological dynamics of homogeneous anisotropic Bianchi-I spacetime in $f(R)$…

General Relativity and Quantum Cosmology · Physics 2019-01-23 Kaushik Bhattacharya , Saikat Chakraborty

In this paper, we have studied the gravitational baryogenesis of isotropic and homogeneous universe in the frame-work of general relativity. We investigate an exact and new solution of Einstein's field equations for FRW metric. Our solution…

General Physics · Physics 2023-10-17 Sudhir Kumar Srivastava , Ahmad T Ali , Anil Kumar Yadav

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

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

Baryogenesis refers to the theoretical process that occurred in the early history of the universe producing excess of matter over antimatter. Hitherto, fundamental physics which can give rise to such events is unknown. Many theories have…

General Physics · Physics 2020-05-13 P. K. Sahoo , Snehasish Bhattacharjee

In this letter we study some variant forms of gravitational baryogenesis by using higher order terms containing the partial derivative of the Gauss-Bonnet scalar coupled to the baryonic current. This scenario extends the well known theory…

General Relativity and Quantum Cosmology · Physics 2016-08-30 S. D. Odintsov , V. K. Oikonomou

Bianchi type III (BIII) metric is an interesting anisotropic model for studying cosmic anisotropy as it has an additional exponential term multiplied to a directional scale factor. Thus, the cosmological parameters obtained for this BIII…

General Relativity and Quantum Cosmology · Physics 2025-09-03 Pranjal Sarmah , Umananda Dev Goswami

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

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

In this article, we investigate the gravitational baryogenesis mechanism in the framework of Extended Proca-Nuevo (EPN) gravity, a theory where a massive vector field is non-minimally coupled to the curvature. This analysis is carried out…

General Relativity and Quantum Cosmology · Physics 2025-04-09 Abdul Malik Sultan

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

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

Baryogenesis driven by curvature effects is investigated by taking into account gravitationally induced particle production in the very early Universe. In our scenario, the baryon asymmetry is generated dynamically during an inflationary…

General Relativity and Quantum Cosmology · Physics 2016-11-23 J. A. S. Lima , Douglas Singleton

Anisotropic Bianchi type-III cosmology is examined within the framework of f(R,T) gravity, where R denotes the Ricci scalar and T the trace of the energy-momentum tensor. In this work, we investigate the statistical constraints on…

General Relativity and Quantum Cosmology · Physics 2025-12-23 Mayur Mune , Praveen Kumar Dhankar , Safiqul Islam , Behnam Pourhassan , Muhammad Aamir , Faisal Haroon