| Issue |
EPJ Web Conf.
Volume 346, 2026
25th Topical Conference on Radio-Frequency Power in Plasmas (RFPPC2025)
|
|
|---|---|---|
| Article Number | 01011 | |
| Number of page(s) | 4 | |
| Section | Theory and Modeling of Radio-Frequency Waves in Plasmas | |
| DOI | https://doi.org/10.1051/epjconf/202634601011 | |
| Published online | 07 January 2026 | |
https://doi.org/10.1051/epjconf/202634601011
Power coupled to the slow wave resonance cone in cold plasma
Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, United States of America
* Corresponding author: tierenswv@ornl.gov
Published online: 7 January 2026
We consider the power coupled to the plasma from a cylindrical source emitting resonance cones, propagative slow waves which exist in low density magnetized plasmas when the signs of the Stix parameters S and P differ. In this work, we calculate this power for the first time for any collisionality, and show that it remains finite in the cold collisionless limit, even as the radiofrequency electric field itself, and the associated power absorption density, is singular. We give the main parameter dependencies of the coupled power.
© The Authors, published by EDP Sciences, 2026
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