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This paper confirms previous findings that the cold fluid (CF) model for describing scattering from thermal fluctuations is inappropriate. Although both the low temperature kinetic (LTK) and the CF models describe scattering in collisionless plasmas and both models involve only fields and zeroth and first order moments of distribution functions, they are fundamentally different. It is noted that within the limits of the collisionless plasma model, the LTK model makes no assumptions about the nature of the interacting waves and fluctuations. The CF model has only been shown to be correct when the cold fluid relations apply to both interacting waves, and is only guaranteed to describe the interaction of cold collective electron oscillations in a collisionless plasma.

Additional information

Authors: BINDSLEV H, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(95)01 EN (1995) 12 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199510621 / Last updated on: 1995-06-06
Original language: en
Available languages: en
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