Topology bifurcation of a magnetic flux surface in magnetized plasmas

K. Ida, S. Inagaki, Y. Suzuki, S. Sakakibara, T. Kobayashi, K. Itoh, H. Tsuchiya, C. Suzuki, M. Yoshinuma, Y. Narushima, M. Yokoyama, A. Shimizu, S. I. Itoh

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Abstract

Bifurcation phenomena in the radial propagation of a heat pulse driven by modulated electron cyclotron heating are observed in the Large Helical Device. There are two patterns of heat pulse propagation observed in the flat temperature region. One is a bi-directional slow heat pulse propagation observed in the fast magnetic shear drop and the other is a fast heat pulse propagation observed in the slow magnetic shear drop. This bifurcation in the heat pulse propagation suggests the topology bifurcation of a magnetic flux surface in the plasma.

Original languageEnglish
Article number013061
JournalNew Journal of Physics
Volume15
DOIs
Publication statusPublished - Jan 1 2013

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Ida, K., Inagaki, S., Suzuki, Y., Sakakibara, S., Kobayashi, T., Itoh, K., ... Itoh, S. I. (2013). Topology bifurcation of a magnetic flux surface in magnetized plasmas. New Journal of Physics, 15, [013061]. https://doi.org/10.1088/1367-2630/15/1/013061