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

P. H. Diamond, Yusuke 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

Research output: Contribution to journalReview article

66 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 languageEnglish
Article number104019
JournalNuclear Fusion
Volume53
Issue number10
DOIs
Publication statusPublished - Oct 1 2013

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toroidal plasmas
torque
momentum
electron cyclotron heating
phenomenology
broken symmetry
counters
asymmetry
physics

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Diamond, P. H., Kosuga, Y., Gürcan, O. D., McDevitt, C. J., Hahm, T. S., Fedorczak, N., ... Chang, C. S. (2013). An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas. Nuclear Fusion, 53(10), [104019]. https://doi.org/10.1088/0029-5515/53/10/104019

An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas. / Diamond, P. H.; Kosuga, Yusuke; 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.; Yi, S.; Ko, S. H.; Sarazin, Y.; Singh, R.; Chang, C. S.

In: Nuclear Fusion, Vol. 53, No. 10, 104019, 01.10.2013.

Research output: Contribution to journalReview article

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
Diamond, P. H. ; Kosuga, Yusuke ; 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. ; Yi, S. ; Ko, S. H. ; Sarazin, Y. ; Singh, R. ; Chang, C. S. / An overview of intrinsic torque and momentum transport bifurcations in toroidal plasmas. In: Nuclear Fusion. 2013 ; Vol. 53, No. 10.
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