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Related papers: Gravitational Baryogenesis in Non-Minimal Coupled …

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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 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

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

This paper focuses on exploring the imbalance between matter and antimatter via the gravitational baryogenesis mechanism within the framework of Nojiri-Odintsov $f(R)$ gravity models in a spatially flat FLRW universe, where $R$ is the Ricci…

General Relativity and Quantum Cosmology · Physics 2025-06-25 Kalyan Malakar , Mrinnoy M Gohain , Kalyan Bhuyan

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

In this review article, we revisit the topic of baryogenesis, which is the physical process that generated the observed baryon asymmetry during the first stages of the primordial Universe. A viable theoretical explanation to understand and…

General Relativity and Quantum Cosmology · Physics 2023-12-22 David S. Pereira , João Ferraz , Francisco S. N. Lobo , José P. Mimoso

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

We show that in theories with nonminimal curvature-matter couplings up to first order in the curvature, baryon number (B) conservation and CP are automatically violated, provided that the curvature scalar and its gradient do not vanish.…

General Relativity and Quantum Cosmology · Physics 2019-11-13 Vicente Antunes , Ignacio Bediaga , Mario Novello

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

Recently Davoudiasl {\it et al} \cite{steinhardt} have introduced a new type of interaction between the Ricci scalar $R$ and the baryon current $J^{\mu}$, ${\partial_\mu R} J^{\mu}$ and proposed a mechanism for baryogenesis, the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hong Li , Mingzhe Li , Xinmin Zhang

CP violation, which is crucial for producing the baryon asymmetry of the Universe, is enhanced in particle-antiparticle oscillations. We study particle-antiparticle oscillations (of a particle with mass O(100 GeV)) with CP violation in the…

High Energy Physics - Phenomenology · Physics 2016-07-01 Seyda Ipek , John March-Russell

We investigate the gravitational baryogenesis scenario within the context of $F(R)$ gravity's rainbow which incorporates both modified gravity and energy-dependent spacetime. This study explores a mechanism for generating baryon asymmetry…

General Relativity and Quantum Cosmology · Physics 2026-02-09 Parviz Goodarzi

One of the biggest puzzles in modern cosmology is the observed baryon asymmetry in the universe. In current models of baryogenesis gravity plays a secondary role, although the process is believed to have happened in the early universe,…

General Relativity and Quantum Cosmology · Physics 2016-11-28 V. Antunes , I. Bediaga , M. Novello

We consider generation of baryon asymmetry of the universe through $R-$parity violation in a scenario in which out-of-equilibrium condition is satisfied by making the electroweak phase transition to be first order. We study all the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Utpal Sarkar , Rathin Adhikari

A novel mechanism of baryogenesis is proposed on the basis of the phase transition from the conformal invariant space-time to the Einstein space-time in quantum gravity. Strong-coupling gravitational excitations with dynamical mass about…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ken-ji Hamada , Azusa Minamizaki , Akio Sugamoto

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

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

In the near future, the Deep Underground Neutrino Experiment and the European Spallation Source aim to reach unprecedented sensitivity in the search for neutron-antineutron ($n\text{-}\bar{n}$) oscillations, whose observation would directly…

High Energy Physics - Phenomenology · Physics 2021-11-18 Kåre Fridell , Julia Harz , Chandan Hati

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
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