Symmetry and Asymmetry in Gravity Research
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 9509
Special Issue Editors
Interests: theoretical dark energy; extended theories of gravity; wormhole geometry
Special Issue Information
Dear Colleagues,
Gravity, a long-ranged interaction between the objects, is one of the four fundamental forces of nature. Einstein described gravity as “the curvature of spacetime” and proposed an interesting theory of gravity known as General Relativity (GR). In order to deal with the shortcomings of GR, numerous extensions have been proposed in the literature by incorporating some additional degrees of freedom. The Lagrangian density of GR and its extended versions consist of some unknown functions whose analytical form and viability pose a considerable challenge to researchers. The dynamical field equations of such frameworks usually lead to a system of non-linear partial differential equations and, consequently, the determination of exact solutions becomes a laborious task. In this respect, symmetries provide a powerful tool to find exact solutions of a system by reducing its order. Physically, symmetries refer to conservation laws, while on mathematical grounds, symmetries reduce dynamics of the system due to the presence of cyclic variables and provide an effective way to analyze complicated differential equations.
The purpose of this Special Issue is to put forward new exact models in the gravitational framework of GR as well as its generalizations in regard to symmetry that can describe the latest cosmological advances and fit the observational data well. We welcome mathematicians, physicists, and other scientists to submit their research articles based on the recent advancements in the field of gravitation focusing on the role of symmetries to this Special Issue.
In this Special Issue, original research articles, reviews, communications and concept papers are welcome. We look forward to receiving your contributions.
Prof. Dr. Bivudutta Mishra
Dr. Muhammad Zubair
Guest Editors
Manuscript Submission Information
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Keywords
- gravity
- modifications of Einstein’s gravity theory
- partial differential equations
- gravitational/cosmological models
- analytical solutions
- lie symmetries
- noether and noether gauge symmetries
- scaling/rotational symmetries
- conservation laws
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