Estimation of Source Particle Trajectories from Far Electromagnetic Fields Using the Linard-Wiechert Superpotentials: Twin Particles System

Hideki KAWAGUCHI  Toshihisa HONMA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E77-C   No.11   pp.1802-1807
Publication Date: 1994/11/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
particle trajectory estimation,  far electromagnetic fields,  Linard-Wiechert potentials,  superpotentials,  

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Summary: 
A particle trajectory estimation method from far electromagnetic fields are discussed in this paper. Authors have already presented a trajectory estimation method for single particle system and good agreements between a source particle trajectory and an estimated one have been obtained. For this, this paper discusses twin particles system as an examples of multi-particles systems for simplicity. First of all, it is pointed out that far electromagnetic fields from the twin particles system show quite different aspect from the single particle system using an example, radiation patterns produced by two particles which carry out circular motion. This result tells us that any trajectory estimations for general multi-particles system are almost impossible. However, it is shown that when the distance between the particles is small, the estimation method for the single particle system can be applied to the twin particles system, and that twin particles effects appear as disturbance of estimated trajectory.