Electromagnetic zonal flow residual responses
Abstract
The collisionless axisymmetric zonal flow residual calculation for a tokamak plasma is generalized to include electromagnetic perturbations. We formulate and solve the complete initial value zonal flow problem by retaining the fully self-consistent axisymmetric spatial perturbations in the electric and magnetic fields. Simple expressions for the electrostatic, shear and compressional magnetic residual responses are derived that provide a fully electromagnetic test of the zonal flow residual in gyrokinetic codes. Unlike the electrostatic potential, the parallel vector potential and the parallel magnetic field perturbations need not relax to flux functions for all possible initial conditions.
- Authors:
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1534400
- DOE Contract Number:
- FG02-91ER54109
- Resource Type:
- Journal Article
- Journal Name:
- Journal of Plasma Physics
- Additional Journal Information:
- Journal Volume: 83; Journal Issue: 4; Journal ID: ISSN 0022-3778
- Publisher:
- Cambridge University Press
- Country of Publication:
- United States
- Language:
- English
- Subject:
- Physics
Citation Formats
Catto, Peter J., Parra, Felix I., and Pusztai, István. Electromagnetic zonal flow residual responses. United States: N. p., 2017.
Web. doi:10.1017/s0022377817000472.
Catto, Peter J., Parra, Felix I., & Pusztai, István. Electromagnetic zonal flow residual responses. United States. doi:10.1017/s0022377817000472.
Catto, Peter J., Parra, Felix I., and Pusztai, István. Mon .
"Electromagnetic zonal flow residual responses". United States. doi:10.1017/s0022377817000472.
@article{osti_1534400,
title = {Electromagnetic zonal flow residual responses},
author = {Catto, Peter J. and Parra, Felix I. and Pusztai, István},
abstractNote = {The collisionless axisymmetric zonal flow residual calculation for a tokamak plasma is generalized to include electromagnetic perturbations. We formulate and solve the complete initial value zonal flow problem by retaining the fully self-consistent axisymmetric spatial perturbations in the electric and magnetic fields. Simple expressions for the electrostatic, shear and compressional magnetic residual responses are derived that provide a fully electromagnetic test of the zonal flow residual in gyrokinetic codes. Unlike the electrostatic potential, the parallel vector potential and the parallel magnetic field perturbations need not relax to flux functions for all possible initial conditions.},
doi = {10.1017/s0022377817000472},
journal = {Journal of Plasma Physics},
issn = {0022-3778},
number = 4,
volume = 83,
place = {United States},
year = {2017},
month = {7}
}
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