# 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 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:

- DOE Contract Number:
- FG02-91ER54109

- 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:
- 1880522

- DOI:
- https://doi.org/10.7910/DVN/EGVIGL

### Citation Formats

```
Catto, P. J., Parra, F. I., and Pusztai, I.
```*Electromagnetic zonal flow residual responses*. United States: N. p., 2018.
Web. doi:10.7910/DVN/EGVIGL.

```
Catto, P. J., Parra, F. I., & Pusztai, I.
```*Electromagnetic zonal flow residual responses*. United States. doi:https://doi.org/10.7910/DVN/EGVIGL

```
Catto, P. J., Parra, F. I., and Pusztai, I. 2018.
"Electromagnetic zonal flow residual responses". United States. doi:https://doi.org/10.7910/DVN/EGVIGL. https://www.osti.gov/servlets/purl/1880522. Pub date:Fri Dec 07 00:00:00 EST 2018
```

```
@article{osti_1880522,
```

title = {Electromagnetic zonal flow residual responses},

author = {Catto, P. J. and Parra, F. I. and Pusztai, I.},

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 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 = {10.7910/DVN/EGVIGL},

journal = {},

number = ,

volume = ,

place = {United States},

year = {2018},

month = {12}

}

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Works referencing / citing this record:

##
Electromagnetic zonal flow residual responses

journal, July 2017

- Catto, Peter J.; Parra, Felix I.; Pusztai, István
- Journal of Plasma Physics, Vol. 83, Issue 4