Abstract
The aim of the brief report is to discuss the effect of collisions on the sheath structure in presence of cold multi species ions. Using fluid model it is shown analytically that at the sheath edge the drift velocity of the plasma can be smaller than the dust acoustic speed in a low pressure collisional plasma. Under these condition Bohm criterion is sufficient condition for the existence of a positive boundary sheath, but it is not a necessary condition.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
