An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas

P. H. Diamond; Y. Kosuga; O. D. Gürcan; C. J. McDevitt; T. S. Hahm; N. Fedorczak; J. E. Rice; W. X. Wang; S. Ku; J. M. Kwon; G. Dif-Pradalier; J. Abiteboul; L. Wang; W. H. Ko; Y. J. Shi; K. Ida; W. Solomon; H. Jhang; S. S. Kim; S. Yi; S. H. Ko; Y. Sarazin; R. Singh; C. S. Chang

doi:10.1088/0029-5515/53/10/104019

An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas

P. H. Diamond, Y. Kosuga, O. D. Gürcan, C. J. McDevitt, T. S. Hahm, N. Fedorczak, J. E. Rice, W. X. Wang, S. Ku, J. M. Kwon, G. Dif-Pradalier, J. Abiteboul, L. Wang, W. H. Ko, Y. J. Shi, K. Ida, W. Solomon, H. Jhang, S. S. Kim, S. YiS. H. Ko, Y. Sarazin, R. Singh, C. S. Chang

Division of Nuclear Fusion Dynamics

Research output: Contribution to journal › Review article › peer-review

111 Citations (Scopus)

Abstract

An overview of the physics of intrinsic torque is presented, with special emphasis on the phenomenology of intrinsic toroidal rotation in tokamaks, its theoretical understanding, and the variety of momentum transport bifurcation dynamics. Ohmic reversals and electron cyclotron heating-driven counter torque are discussed in some detail. Symmetry breaking by lower single null versus upper single null asymmetry is related to the origin of intrinsic torque at the separatrix.

Original language	English
Article number	104019
Journal	Nuclear Fusion
Volume	53
Issue number	10
DOIs	https://doi.org/10.1088/0029-5515/53/10/104019
Publication status	Published - Oct 2013

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1088/0029-5515/53/10/104019

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Diamond, P. H., Kosuga, Y., Gürcan, O. D., McDevitt, C. J., Hahm, T. S., Fedorczak, N., Rice, J. E., Wang, W. X., Ku, S., Kwon, J. M., Dif-Pradalier, G., Abiteboul, J., Wang, L., Ko, W. H., Shi, Y. J., Ida, K., Solomon, W., Jhang, H., Kim, S. S., ... Chang, C. S. (2013). An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas. Nuclear Fusion, 53(10), Article 104019. https://doi.org/10.1088/0029-5515/53/10/104019

Diamond, PH, Kosuga, Y, Gürcan, OD, McDevitt, CJ, Hahm, TS, Fedorczak, N, Rice, JE, Wang, WX, Ku, S, Kwon, JM, Dif-Pradalier, G, Abiteboul, J, Wang, L, Ko, WH, Shi, YJ, Ida, K, Solomon, W, Jhang, H, Kim, SS, Yi, S, Ko, SH, Sarazin, Y, Singh, R & Chang, CS 2013, 'An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas', Nuclear Fusion, vol. 53, no. 10, 104019. https://doi.org/10.1088/0029-5515/53/10/104019

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abstract = "An overview of the physics of intrinsic torque is presented, with special emphasis on the phenomenology of intrinsic toroidal rotation in tokamaks, its theoretical understanding, and the variety of momentum transport bifurcation dynamics. Ohmic reversals and electron cyclotron heating-driven counter torque are discussed in some detail. Symmetry breaking by lower single null versus upper single null asymmetry is related to the origin of intrinsic torque at the separatrix.",

author = "Diamond, {P. H.} and Y. Kosuga and G{\"u}rcan, {O. D.} and McDevitt, {C. J.} and Hahm, {T. S.} and N. Fedorczak and Rice, {J. E.} and Wang, {W. X.} and S. Ku and Kwon, {J. M.} and G. Dif-Pradalier and J. Abiteboul and L. Wang and Ko, {W. H.} and Shi, {Y. J.} and K. Ida and W. Solomon and H. Jhang and Kim, {S. S.} and S. Yi and Ko, {S. H.} and Y. Sarazin and R. Singh and Chang, {C. S.}",

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doi = "10.1088/0029-5515/53/10/104019",

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AU - Diamond, P. H.

AU - Kosuga, Y.

AU - Gürcan, O. D.

AU - McDevitt, C. J.

AU - Hahm, T. S.

AU - Fedorczak, N.

AU - Rice, J. E.

AU - Wang, W. X.

AU - Ku, S.

AU - Kwon, J. M.

AU - Dif-Pradalier, G.

AU - Abiteboul, J.

AU - Wang, L.

AU - Ko, W. H.

AU - Shi, Y. J.

AU - Ida, K.

AU - Solomon, W.

AU - Jhang, H.

AU - Kim, S. S.

AU - Yi, S.

AU - Ko, S. H.

AU - Sarazin, Y.

AU - Singh, R.

AU - Chang, C. S.

PY - 2013/10

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N2 - An overview of the physics of intrinsic torque is presented, with special emphasis on the phenomenology of intrinsic toroidal rotation in tokamaks, its theoretical understanding, and the variety of momentum transport bifurcation dynamics. Ohmic reversals and electron cyclotron heating-driven counter torque are discussed in some detail. Symmetry breaking by lower single null versus upper single null asymmetry is related to the origin of intrinsic torque at the separatrix.

AB - An overview of the physics of intrinsic torque is presented, with special emphasis on the phenomenology of intrinsic toroidal rotation in tokamaks, its theoretical understanding, and the variety of momentum transport bifurcation dynamics. Ohmic reversals and electron cyclotron heating-driven counter torque are discussed in some detail. Symmetry breaking by lower single null versus upper single null asymmetry is related to the origin of intrinsic torque at the separatrix.

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JO - Nuclear Fusion

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An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas

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