A bounded source cannot emit a unipolar electromagnetic wave
Kwang-Je Kim, Kirk T. McDonald, Gennady V. Stupakov, Max S. Zolotorev

TL;DR
This paper proves that bounded sources cannot generate unipolar electromagnetic pulses, implying the non-existence of three-dimensional electromagnetic solitons in vacuum, which has implications for electromagnetic wave theory.
Contribution
It establishes a fundamental limitation on electromagnetic wave emission from bounded sources, specifically ruling out unipolar pulses and solitons in vacuum.
Findings
Bounded sources cannot produce unipolar electromagnetic pulses.
No three-dimensional electromagnetic solitons exist in vacuum.
Unipolar pulses are impossible from bounded sources in vacuum.
Abstract
We show that a bounded source cannot produce a unipolar electromagnetic pulse. As a consequence, there are no three-dimensional electromagnetic solitons in vacuum.
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Taxonomy
TopicsLaser-Plasma Interactions and Diagnostics · Gyrotron and Vacuum Electronics Research · Laser-Matter Interactions and Applications
