Orbit squeezing in a magnetic well

Ker-Chung Shaing; M. C. Zarnstorff; C. T. Hsu

doi:10.1063/1.871642

Orbit squeezing in a magnetic well

Ker-Chung Shaing, M. C. Zarnstorff, C. T. Hsu

Institute of Space and Plasma Sciences

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

5 Citations (Scopus)

Abstract

It is shown that the size of a charged particle's drift orbit is squeezed, i.e., reduced, in a magnetic well in tokamak plasmas. The squeezing factor depends on the energy of the particle, being larger for higher-energy particles. Therefore, for high-energy particles, the size of the drift orbit depends only on the magnetic geometry. These energy-independent drift orbits are also observed [J. A. Rome and Y.-K. M. Ping, Nucl. Fusion 19, 1193 (1979)]. The implications on the core confinement improvement physics and the confinement of the advanced fuel are discussed.

Original language	English
Pages (from-to)	2843-2845
Number of pages	3
Journal	Physics of Plasmas
Volume	3
Issue number	8
DOIs	https://doi.org/10.1063/1.871642
Publication status	Published - 1996 Jan 1

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.871642

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N2 - It is shown that the size of a charged particle's drift orbit is squeezed, i.e., reduced, in a magnetic well in tokamak plasmas. The squeezing factor depends on the energy of the particle, being larger for higher-energy particles. Therefore, for high-energy particles, the size of the drift orbit depends only on the magnetic geometry. These energy-independent drift orbits are also observed [J. A. Rome and Y.-K. M. Ping, Nucl. Fusion 19, 1193 (1979)]. The implications on the core confinement improvement physics and the confinement of the advanced fuel are discussed.

AB - It is shown that the size of a charged particle's drift orbit is squeezed, i.e., reduced, in a magnetic well in tokamak plasmas. The squeezing factor depends on the energy of the particle, being larger for higher-energy particles. Therefore, for high-energy particles, the size of the drift orbit depends only on the magnetic geometry. These energy-independent drift orbits are also observed [J. A. Rome and Y.-K. M. Ping, Nucl. Fusion 19, 1193 (1979)]. The implications on the core confinement improvement physics and the confinement of the advanced fuel are discussed.

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Orbit squeezing in a magnetic well

Abstract

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