Second stability in the ATF torsatron

J. H. Harris; M. Murakami; B. A. Carreras; J. D. Bell; G. L. Bell; T. S. Bigelow; L. A. Charlton; N. Dominguez; J. L. Dunlap; J. C. Glowienka; L. D. Horton; H. C. Howe; R. C. Isler; H. Kaneko; R. R. Kindsfather; J. N. Leboeuf; V. E. Lynch; M. M. Menon; R. N. Morris; G. H. Neilson; V. K. Paré; D. A. Rasmussen; J. B. Wilgen; W. R. Wing

doi:10.1103/PhysRevLett.63.1249

Second stability in the ATF torsatron

J. H. Harris, M. Murakami, B. A. Carreras, J. D. Bell, G. L. Bell, T. S. Bigelow, L. A. Charlton, N. Dominguez, J. L. Dunlap, J. C. Glowienka, L. D. Horton, H. C. Howe, R. C. Isler, H. Kaneko, R. R. Kindsfather, J. N. Leboeuf, V. E. Lynch, M. M. Menon, R. N. Morris, G. H. NeilsonV. K. Paré, D. A. Rasmussen, J. B. Wilgen, W. R. Wing

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Abstract

Access to the MHD second stability regime has been achieved in the ATF torsatron. Experimental values (03%, with fast ions contributing (1/3 of the pressure at high ) are well above the theoretical transition value (c1.3% for ideal modes) required to reach this regime. The relatively low c results from operation with peaked pressure profiles. The measured magnetic fluctuations decrease with increasing, and the pressure profile broadens. This behavior is consistent with theoretical predictions for self-stabilization of resistive interchange modes.

Original language	English
Pages (from-to)	1249-1252
Number of pages	4
Journal	Physical Review Letters
Volume	63
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.63.1249
State	Published - 1989

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Harris, J. H., Murakami, M., Carreras, B. A., Bell, J. D., Bell, G. L., Bigelow, T. S., Charlton, L. A., Dominguez, N., Dunlap, J. L., Glowienka, J. C., Horton, L. D., Howe, H. C., Isler, R. C., Kaneko, H., Kindsfather, R. R., Leboeuf, J. N., Lynch, V. E., Menon, M. M., Morris, R. N., ... Wing, W. R. (1989). Second stability in the ATF torsatron. Physical Review Letters, 63(12), 1249-1252. https://doi.org/10.1103/PhysRevLett.63.1249

@article{22f13fe4f2c24988995206f5fdda8912,

title = "Second stability in the ATF torsatron",

abstract = "Access to the MHD second stability regime has been achieved in the ATF torsatron. Experimental values (03%, with fast ions contributing (1/3 of the pressure at high ) are well above the theoretical transition value (c1.3% for ideal modes) required to reach this regime. The relatively low c results from operation with peaked pressure profiles. The measured magnetic fluctuations decrease with increasing, and the pressure profile broadens. This behavior is consistent with theoretical predictions for self-stabilization of resistive interchange modes.",

author = "Harris, {J. H.} and M. Murakami and Carreras, {B. A.} and Bell, {J. D.} and Bell, {G. L.} and Bigelow, {T. S.} and Charlton, {L. A.} and N. Dominguez and Dunlap, {J. L.} and Glowienka, {J. C.} and Horton, {L. D.} and Howe, {H. C.} and Isler, {R. C.} and H. Kaneko and Kindsfather, {R. R.} and Leboeuf, {J. N.} and Lynch, {V. E.} and Menon, {M. M.} and Morris, {R. N.} and Neilson, {G. H.} and Par{\'e}, {V. K.} and Rasmussen, {D. A.} and Wilgen, {J. B.} and Wing, {W. R.}",

year = "1989",

doi = "10.1103/PhysRevLett.63.1249",

language = "English",

volume = "63",

pages = "1249--1252",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

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Harris, JH, Murakami, M, Carreras, BA, Bell, JD, Bell, GL, Bigelow, TS, Charlton, LA, Dominguez, N, Dunlap, JL, Glowienka, JC, Horton, LD, Howe, HC, Isler, RC, Kaneko, H, Kindsfather, RR, Leboeuf, JN, Lynch, VE, Menon, MM, Morris, RN, Neilson, GH, Paré, VK, Rasmussen, DA, Wilgen, JB & Wing, WR 1989, 'Second stability in the ATF torsatron', Physical Review Letters, vol. 63, no. 12, pp. 1249-1252. https://doi.org/10.1103/PhysRevLett.63.1249

TY - JOUR

T1 - Second stability in the ATF torsatron

AU - Harris, J. H.

AU - Murakami, M.

AU - Carreras, B. A.

AU - Bell, J. D.

AU - Bell, G. L.

AU - Bigelow, T. S.

AU - Charlton, L. A.

AU - Dominguez, N.

AU - Dunlap, J. L.

AU - Glowienka, J. C.

AU - Horton, L. D.

AU - Howe, H. C.

AU - Isler, R. C.

AU - Kaneko, H.

AU - Kindsfather, R. R.

AU - Leboeuf, J. N.

AU - Lynch, V. E.

AU - Menon, M. M.

AU - Morris, R. N.

AU - Neilson, G. H.

AU - Paré, V. K.

AU - Rasmussen, D. A.

AU - Wilgen, J. B.

AU - Wing, W. R.

PY - 1989

Y1 - 1989

N2 - Access to the MHD second stability regime has been achieved in the ATF torsatron. Experimental values (03%, with fast ions contributing (1/3 of the pressure at high ) are well above the theoretical transition value (c1.3% for ideal modes) required to reach this regime. The relatively low c results from operation with peaked pressure profiles. The measured magnetic fluctuations decrease with increasing, and the pressure profile broadens. This behavior is consistent with theoretical predictions for self-stabilization of resistive interchange modes.

AB - Access to the MHD second stability regime has been achieved in the ATF torsatron. Experimental values (03%, with fast ions contributing (1/3 of the pressure at high ) are well above the theoretical transition value (c1.3% for ideal modes) required to reach this regime. The relatively low c results from operation with peaked pressure profiles. The measured magnetic fluctuations decrease with increasing, and the pressure profile broadens. This behavior is consistent with theoretical predictions for self-stabilization of resistive interchange modes.

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U2 - 10.1103/PhysRevLett.63.1249

DO - 10.1103/PhysRevLett.63.1249

M3 - Article

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SN - 0031-9007

VL - 63

SP - 1249

EP - 1252

JO - Physical Review Letters

JF - Physical Review Letters

IS - 12

ER -

Second stability in the ATF torsatron

Abstract

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