Bifurcation of heat transport in high temperature plasma

Katsumi Ida, Shigeru Inagaki, Ryuichi Sakamoto, Kimitaka Itoh, Kenji Tanaka, Hisamichi Funaba

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5 Citations (Scopus)


A second-order phase transition of heat transport, which is characterized by a discontinuity in the time derivative of the temperature gradient, is observed in the high temperature plasma when the radial heat flux is modulated by repetitive pellet injections. The temperature dependence of the heat flux changes at the phase transition between two transport branches: one has a strong temperature dependence as predicted by gyro-Bohm type transport and the other has a weak temperature dependence which is consistent with the transport with the "screened" effect of zonal flow.

Original languageEnglish
Article number124501
Journaljournal of the physical society of japan
Issue number12
Publication statusPublished - Dec 2008

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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