Evidence for a toroidal-momentum-transport nondiffusive term from the JFT-2M tokamak

K. Ida; Y. Miura; T. Matsuda; K. Itoh; S. Hidekuma; S. I. Itoh

doi:10.1103/PhysRevLett.74.1990

Evidence for a toroidal-momentum-transport nondiffusive term from the JFT-2M tokamak

K. Ida, Y. Miura, T. Matsuda, K. Itoh, S. Hidekuma, S. I. Itoh

Division of Nuclear Fusion Dynamics

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

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Abstract

Toroidal rotation velocity profiles are measured by multichord charge-exchange spectroscopy for discharges where the direction of the neutral beams is changed from parallel to the plasma current to antiparallel. Analysis of the transport of toroidal momentum in the transient phase suggests the existence of a nondiffusive term in the transport matrix. This nondiffusive term results in a spontaneous source of toroidal momentum in the direction antiparallel to the plasma current.

Original language	English
Pages (from-to)	1990-1993
Number of pages	4
Journal	Physical review letters
Volume	74
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.74.1990
Publication status	Published - 1995

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.74.1990

Cite this

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title = "Evidence for a toroidal-momentum-transport nondiffusive term from the JFT-2M tokamak",

abstract = "Toroidal rotation velocity profiles are measured by multichord charge-exchange spectroscopy for discharges where the direction of the neutral beams is changed from parallel to the plasma current to antiparallel. Analysis of the transport of toroidal momentum in the transient phase suggests the existence of a nondiffusive term in the transport matrix. This nondiffusive term results in a spontaneous source of toroidal momentum in the direction antiparallel to the plasma current.",

author = "K. Ida and Y. Miura and T. Matsuda and K. Itoh and S. Hidekuma and Itoh, {S. I.}",

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AU - Ida, K.

AU - Miura, Y.

AU - Matsuda, T.

AU - Itoh, K.

AU - Hidekuma, S.

AU - Itoh, S. I.

PY - 1995

Y1 - 1995

N2 - Toroidal rotation velocity profiles are measured by multichord charge-exchange spectroscopy for discharges where the direction of the neutral beams is changed from parallel to the plasma current to antiparallel. Analysis of the transport of toroidal momentum in the transient phase suggests the existence of a nondiffusive term in the transport matrix. This nondiffusive term results in a spontaneous source of toroidal momentum in the direction antiparallel to the plasma current.

AB - Toroidal rotation velocity profiles are measured by multichord charge-exchange spectroscopy for discharges where the direction of the neutral beams is changed from parallel to the plasma current to antiparallel. Analysis of the transport of toroidal momentum in the transient phase suggests the existence of a nondiffusive term in the transport matrix. This nondiffusive term results in a spontaneous source of toroidal momentum in the direction antiparallel to the plasma current.

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JO - Physical review letters

JF - Physical review letters

IS - 11

ER -

Evidence for a toroidal-momentum-transport nondiffusive term from the JFT-2M tokamak

Abstract

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