Characteristics of Electron Heat Transport of Plasma with an Electron Internal-Transport Barrier in the Large Helical Device
Authors:
- K. IdaKIK. Ida
- T. ShimozumaTST. Shimozuma
- H. FunabaHFH. Funaba
- K. NariharaKNK. Narihara
- S. KuboSKS. Kubo
- S. MurakamiSMS. Murakami
- A. WakasaAWA. Wakasa
- M. YokoyamaMYM. Yokoyama
- Y. TakeiriYTY. Takeiri
- K. Y. WatanabeKWK. Y. Watanabe
- K. TanakaKTK. Tanaka
- M. YoshinumaMYM. Yoshinuma
Open Access
- 19 August 2003
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 91 (8) , 085003
Abstract
Associated with the transition from ion root to electron root, an electron internal transport barrier (ITB) appears in the large helical device, when the heating power of electron cyclotron resonance heating exceeds the threshold power. The incremental thermal diffusivity of electron heat transport in the ITB plasma is much lower than that in the plasma with the heating power below the threshold, and the thermal diffusivity decreases with increasing of heating power [] in helical ITB plasmas. DOI: http://dx.doi.org/10.1103/PhysRevLett.91.085003 © 2003 The American Physical Society
Keywords
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