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Journal Article

Electron-Bernstein-wave current drive in an overdense plasma at the Wendelstein 7-AS stellarator

MPS-Authors
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Maaßberg,  H.
Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society;

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Marushchenko,  N. B.
Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society;

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Volpe,  F.
Stellarator Optimisation (E3), Max Planck Institute for Plasma Physics, Max Planck Society;

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Weller,  A.
Stellarator Scenario Development (E5), Max Planck Institute for Plasma Physics, Max Planck Society;

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Citation

Laqua, H. P., Maaßberg, H., Marushchenko, N. B., Volpe, F., Weller, A., & Kasparek, W. (2003). Electron-Bernstein-wave current drive in an overdense plasma at the Wendelstein 7-AS stellarator. Physical Review Letters, 90: 075003. Retrieved from http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PRLTAO000090000007075003000001&idtype=cvips&prog=normal.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-2308-9
Abstract
Electron-Bernstein-wave (EBW) current drive in an overdense plasma was demonstrated at the Wendelstein 7-AS stellarator for the first time. The EBWs were generated by O-X-B mode conversion. The relatively high current drive efficiency was consistent with theoretical predictions. The experiments provided first investigations of EBW phase space interaction for wave refractive indices much larger than unity.