U.S. Department of EnergyOffice of Scientific and Technical Information
Current drive by high intensity, pulsed, electron cyclotron wave packets
Abstract
The nonlinear interaction of electrons with a high intensity, spatially localized, Gaussian, electromagnetic wave packet, or beam, in the electron cyclotron range of frequencies is described by the relativistic Lorentz equation. There are two distinct sets of electrons that result from wave-particle interactions. One set of electrons is reflected by the ponderomotive force due to the spatial variation of the wave packet. The second set of electrons are energetic enough to traverse across the wave packet. Both sets of electrons can exchange energy and momentum with the wave packet. The trapping of electrons in plane waves, which are constituents of the Gaussian beam, leads to dynamics that is distinctly different from quasilinear modeling of wave-particle interactions. This paper illustrates the changes that occur in the electron motion as a result of the nonlinear interaction. The dynamical differences between electrons interacting with a wave packet composed of ordinary electromagnetic waves and electrons interacting with a wave packet composed of extraordinary waves are exemplified.
- Authors:
-
- OSTI
- Publication Date:
- DOE Contract Number:
- FG02-91ER54109; SC0018090
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
- OSTI Identifier:
- 1881296
- DOI:
- https://doi.org/10.7910/DVN/RIM7LC
Citation Formats
Ram, Abhay K., Hizanidis, Kyriakos, and Temkin, Richard J. Current drive by high intensity, pulsed, electron cyclotron wave packets. United States: N. p., 2019.
Web. doi:10.7910/DVN/RIM7LC.
Ram, Abhay K., Hizanidis, Kyriakos, & Temkin, Richard J. Current drive by high intensity, pulsed, electron cyclotron wave packets. United States. doi:https://doi.org/10.7910/DVN/RIM7LC
Ram, Abhay K., Hizanidis, Kyriakos, and Temkin, Richard J. 2019.
"Current drive by high intensity, pulsed, electron cyclotron wave packets". United States. doi:https://doi.org/10.7910/DVN/RIM7LC. https://www.osti.gov/servlets/purl/1881296. Pub date:Fri Mar 15 00:00:00 EDT 2019
@article{osti_1881296,
title = {Current drive by high intensity, pulsed, electron cyclotron wave packets},
author = {Ram, Abhay K. and Hizanidis, Kyriakos and Temkin, Richard J.},
abstractNote = {The nonlinear interaction of electrons with a high intensity, spatially localized, Gaussian, electromagnetic wave packet, or beam, in the electron cyclotron range of frequencies is described by the relativistic Lorentz equation. There are two distinct sets of electrons that result from wave-particle interactions. One set of electrons is reflected by the ponderomotive force due to the spatial variation of the wave packet. The second set of electrons are energetic enough to traverse across the wave packet. Both sets of electrons can exchange energy and momentum with the wave packet. The trapping of electrons in plane waves, which are constituents of the Gaussian beam, leads to dynamics that is distinctly different from quasilinear modeling of wave-particle interactions. This paper illustrates the changes that occur in the electron motion as a result of the nonlinear interaction. The dynamical differences between electrons interacting with a wave packet composed of ordinary electromagnetic waves and electrons interacting with a wave packet composed of extraordinary waves are exemplified.},
doi = {10.7910/DVN/RIM7LC},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {3}
}