Results 81 to 90 of about 3,024,089 (286)

Darwin-Lagrangian Analysis for the Interaction of a Point Charge and a Magnet: Considerations Related to the Controversy Regarding the Aharonov-Bohm and Aharonov-Casher Phase Shifts

open access: yes, 2005
The classical electromagnetic interaction of a point charge and a magnet is discussed by first calculating the interaction of point charge with a simple model magnetic moment and then suggesting a multiparticle limit.
  +15 more
core   +1 more source

Forces of rails for electromagnetic railguns

open access: yesApplied Mathematical Modelling, 2012
AbstractIn this paper, using electromagnetic theory, the equations for the total magnetic force on the rails are deduced. Besides this, the equations for the changes of the magnetic force along with time and the running position of the armature under jointed pulse operating current are presented.
Lizhong Xu, Yanbo Geng
openaire   +2 more sources

Relativistically expanding cylindrical electromagnetic fields

open access: yes, 2009
We study relativistically expanding electromagnetic fields of cylindrical geometry. The fields emerge from the side surface of a cylinder and are invariant under translations parallel to the axis of the cylinder.
Aly   +28 more
core   +1 more source

Electromagnetic force in dispersive and transparent media [PDF]

open access: yesPhysical Review E, 1998
10 pages, 0 ...
Yimin Jiang, Mario Liu
openaire   +3 more sources

Radial electromagnetic force calculation of induction motor based on multi-loop theory

open access: yesZhongguo Jianchuan Yanjiu, 2017
[Objectives] In order to study the vibration and noise of induction motors, a method of radial electromagnetic force calculation is established on the basis of the multi-loop model.[Methods] Based on the method of calculating air-gap magneto motive force
HE Haibo, LIU Hailong
doaj   +1 more source

Rigorous derivation of electromagnetic self-force [PDF]

open access: yesPhysical Review D, 2009
52 pages, minor ...
Samuel E. Gralla   +2 more
openaire   +3 more sources

Theoretical and Experimental Investigation of the Influence of Rotor Claw Pole on Electromagnetic Vibration Noise of Alternators

open access: yesIEEE Access
To investigate the electromagnetic vibration and noise of vehicle-mounted alternators during low-speed operation, an analytical model for the electromagnetic force was established.
Zhibo Li, Xiping He, Shihua Zhao
doaj   +1 more source

3D analytical modeling of the ultra-high-speed permanent magnet electrodynamic levitation system and analysis of electromagnetic force characteristics

open access: yes机车电传动, 2023
The permanent magnet electrodynamic levitation system has been proven significantly valued for applications in ultra-high-speed tube magnetic levitation transport, due to its self-stabilizing performance at high speeds and easy installation and ...
HU Yongpan, CHEN Baojun, LONG Zhiqiang
doaj  

Dynamical Equations of Spinning Particles: Feynman's Proof

open access: yes, 1993
In this letter, we discuss the extension of Feynman's derivation of the equation of motion to the case of spinning particles. We show that a spinning particle interacts only with the electromagnetic and gravitational fields.
Bargmann   +17 more
core   +1 more source

The non-null and force-free electromagnetic field [PDF]

open access: yesClassical and Quantum Gravity, 2020
Abstract This paper describes the electrodynamics of a null and force-free field in completely geometric terms. As was previously established in Menon (2020 Class. Quantum Grav. 37 245006), solutions to force-free electrodynamics are governed by the existence of certain special types of foliations of spacetime.
openaire   +6 more sources

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