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Collisionless heating in capacitive discharges enhanced by dual-frequency excitation

Turner, Miles M. and Chabert, P. (2006) Collisionless heating in capacitive discharges enhanced by dual-frequency excitation. Physical Review Letters, 96 (20). ISSN 0031-9007

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Abstract

We discuss collisionless electron heating in capacitive discharges excited by a combination of two disparate frequencies. By developing an analytical model, we find, contrary to expectation, that the net heating in this case is much larger than the sum of the effects occurring when the two frequencies act separately. This prediction is substantiated by kinetic simulations, which are also in excellent general quantitative agreement with the model for discharge parameters that are typical of recent experiments.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:discharges (electric); plasma heating; plasma kinetic theory; plasma simulation
Subjects:Physical Sciences > Physics
DCU Faculties and Centres:Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:American Physical Society
Official URL:http://dx.doi.org/10.1103/PhysRevLett.96.205001
Copyright Information:©2006 The American Physical Society
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:215
Deposited On:04 Mar 2008 by DORAS Administrator. Last Modified 02 Feb 2009 15:54

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