June 9, 2005
The present paper is devoted to consideration and discussion of a number of contradictions that take place in fundamental electrodynamics researches. A concept of the scalar-vector potential is introduced that allows us to avoid a number of challenges taking place in treatment of forces of elecrtromagnetic interaction. It is introduced the delayed scalar-vector potential allowing one to solve radiation problems at an elementary level. It is shown that in a nonmagnetized plasma, beside the earlier known longitudinal Langmuir resonance, there may exist a resonance transversal relative to the wave propagation direction. It is also shown that the dielectric and magnetic permittivities are independent on the frequency. It is introduced a concept of the kinetic capacitance.
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February 17, 2004
The problems considered refer to the material equations of electric- and magnetoelectric induction. Some contradictions found in fundamental studies on classical electrodynamics have been explained. The notion magnetoelectric induction has been introduced, which permits symmetrical writing of the induction laws. It is shown that the results of the special theory of relativity can be obtained from these laws through the Galilean transformations. The permittivity and permeabili...
May 8, 2008
The potential concept that is successful in classical electrodynamics should also be applicable to the nonlinear electromagnetic forces acting on matter. The obvious method of determining these potentials should be provided by Helmholtz's theorem. It is found, however, that the theorem fails in most practical instances. Other methods to find the potentials - as pursued in plasma physics - are examined and found to yield functions which depend on the chosen coordinate system. ...
April 24, 2009
Within no inertial frame can stationary charge exist. All charge, wherever it exists, experiences perpetual interaction with charge elsewhere and so can only exist as non-trivial current. It follows that the notion of the electrostatic scalar potential is a pragmatic idealization - it is not fundamental and is useful simply because, in many practical circumstances, the time scales of interest are sufficiently small that charges can be considered stationary in appropriately ch...
July 14, 2008
The article presents an alternative approach to the definition of vector electrodynamic potential and its properties. It is shown that generally it has vortical and potential components. The system of differential equations of generalized electrodynamics (the macroscopical theory) is written down; and on the basis of these equations the mechanism of occurrence of the electromagnetic waves spreading in the direction of vector (longitudinal E-waves) is explained. It is demonstr...
April 21, 2002
In this work we revisit the process of constructing wave equations for the scalar and vector potentials of an electromagnetic field, and show that a wave equation with an arbitrary velocity (including a velocity higher than the velocity of light in vacuum) for the scalar potential exists in the framework of classical electrodynamics. Some consequences of this fact are considered. It is shown (in the Appendix) at what point this work differs from works concerned of the problem...
July 10, 2024
In this paper, we shall show that the vector-scalar potential ($\mathbf{A}$-$\Phi$) formulation, for many problems, can be further simplified by ignoring the scalar potential contribution and setting it to zero.
December 16, 2010
The seminal paper on the meaning of the vector potential by E. J. Konopinski is revisited. The full significance of this work has not been generally recognized to date. We first briefly review Konopinski's findings and show that many of his key results can be obtained from a simpler and more familiar approach. We then discuss the additional implications of his analyses, which were overlooked by Konopinski himself.
October 21, 2020
In natural and laboratory magnetized plasmas, an equilibrium electric field may exist perpendicular to the background magnetic field. In such a situation all the plasma species experience a common drift and the unperturbed distribution functions have a common shift in velocity space. In this work the susceptibility tensor is first derived in the laboratory frame for such a situation using the commonly used method of integration along unperturbed trajectory. Then the Lorentz t...
June 9, 2005
In the paper, on the basis of a new concept of the scalar-vector potential introduced by the author, mechanisms resulting in the plasma pinching are considered.
November 17, 2006
. The inertia property of matter is discussed in terms of a type of induction law related to the extended charged particle's own vector potential. Our approach is based on the Lagrangian formalism of canonical momentum writing Newton's second law in terms of the vector potential and a development in terms of obtaining retarded potentials, that allow an intuitive physical interpretation of its main terms. This framework provides a clear physical insight on the physics of inert...