Pressure-driven amplification and penetration of resonant magnetic perturbations

J. Loizu; S. R. Hudson; P. Helander; S. A. Lazerson; A. Bhattacharjee

doi:10.1063/1.4944818

Pressure-driven amplification and penetration of resonant magnetic perturbations

J. Loizu, S. R. Hudson, P. Helander, S. A. Lazerson, A. Bhattacharjee

Astrophysical Sciences

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We show that a resonant magnetic perturbation applied to the boundary of an ideal plasma screw-pinch equilibrium with nested surfaces can penetrate inside the resonant surface and into the core. The response is significantly amplified with increasing plasma pressure. We present a rigorous verification of nonlinear equilibrium codes against linear theory, showing excellent agreement.

Original language	English (US)
Article number	055703
Journal	Physics of Plasmas
Volume	23
Issue number	5
DOIs	https://doi.org/10.1063/1.4944818
State	Published - May 2016

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.4944818

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title = "Pressure-driven amplification and penetration of resonant magnetic perturbations",

abstract = "We show that a resonant magnetic perturbation applied to the boundary of an ideal plasma screw-pinch equilibrium with nested surfaces can penetrate inside the resonant surface and into the core. The response is significantly amplified with increasing plasma pressure. We present a rigorous verification of nonlinear equilibrium codes against linear theory, showing excellent agreement.",

author = "J. Loizu and Hudson, {S. R.} and P. Helander and Lazerson, {S. A.} and A. Bhattacharjee",

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T1 - Pressure-driven amplification and penetration of resonant magnetic perturbations

AU - Loizu, J.

AU - Hudson, S. R.

AU - Helander, P.

AU - Lazerson, S. A.

AU - Bhattacharjee, A.

PY - 2016/5

Y1 - 2016/5

N2 - We show that a resonant magnetic perturbation applied to the boundary of an ideal plasma screw-pinch equilibrium with nested surfaces can penetrate inside the resonant surface and into the core. The response is significantly amplified with increasing plasma pressure. We present a rigorous verification of nonlinear equilibrium codes against linear theory, showing excellent agreement.

AB - We show that a resonant magnetic perturbation applied to the boundary of an ideal plasma screw-pinch equilibrium with nested surfaces can penetrate inside the resonant surface and into the core. The response is significantly amplified with increasing plasma pressure. We present a rigorous verification of nonlinear equilibrium codes against linear theory, showing excellent agreement.

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DO - 10.1063/1.4944818

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JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 5

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Pressure-driven amplification and penetration of resonant magnetic perturbations

Abstract

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