Relativity Based on Symmetry—Part II
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 234
Special Issue Editor
Interests: special and general relativity; extending relativity; testing relativity; quantum behavior
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
In this Special Issue, we present a mathematically simple and physically meaningful relativistic model which unifies gravity, electromagnetism, optics and even some quantum behavior. Unification is achieved by implementing Riemann's idea "force equals geometry". Geometry is described by a simple, physically meaningful action function defined in the frame of an inertial observer. This action is determined by Lorentz covariance and the symmetries of the problem. The dynamics are defined using the Least Action Principle.
The resulting relativistic dynamics equation properly describes the motion of massive and massless objects under the influence of a gravitational and/or an electromagnetic field, as well as the propagation of light in isotropic media.
The model presented here first appeared in A Novel Approach to Relativistic Dynamics: Integrating Gravity, Electromagnetism and Optics by Y. Friedman and T. Scarr, Springer Nature 2023. The foundations of the model are fully explained and developed in the book, and one will find there many open avenues for further research. The results in this Special Issue of Symmetry are the first such fruits.
Prof. Dr. Yaakov Friedman
Guest Editor
Manuscript Submission Information
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Keywords
- relativity of spacetime
- geometrization of spacetime
- action function of curved spacetime
- visualization of the geometry of a spacetime
- principle of least action
- Euler-Lagrange equations
- relativistic dynamics
- electromagnetic and gravitational fields
- energy-momentum of a field
- the fundamental charge
- gravitational waves and their polarization
- the spiral structure of galaxies
