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Physics of Fluids / Volume 20 / Issue 12

Phys. Fluids 20, 2145 (1977); http://dx.doi.org/10.1063/1.861845 (3 pages)

Magnetosonic waves in the presence of a lower hybrid turbulence and plasma heating

Mukul Sinha and B. N. Goswami

Physical Research Laboratory, Ahmedabad 380009, India

A theoretical investigation has shown that energy could be fed into a microturbulence from an externally excited low frequency magneto‐acoustic source. A magnetosonic wave, normally undamped in a quiescent plasma, is shown to be damped in the presence of a lower hybrid microturbulence which in turn effectively heats the plasma ions. This process does not require any threshold amplitude of the external pump wave and therefore, very small amplitude waves can deposit their energy into the plasma unlike the usual parametric heating schemes which demand a minimum threshold amplitude.

KEYWORDS and PACS

Keywords

MAGNETOACOUSTIC WAVES, QUIESCENT PLASMA, TURBULENT HEATING, MAGNETIC FIELDS, DISPERSION RELATIONS, PLASMONS, ACOUSTIC HEATING, DAMPING

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.861845

PUBLICATION DATA

ISSN

0031-9171 (print)  

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    References

    J. B. McBride, E. Ott, J. P. Boris, and J. H. Orens, Phys. Fluids 15, 2367 (1972)PFLDAS000015000012002367000001.

    I. Alexeff, K. Estabrook, A. Hirose, W. D. Jones, R. V. Neidigh, J. N. Olsen, F. R. Scott, W. L. Stirling, and Wing, Phys. Rev. Lett. 25, 848 (1970).

    Y. S. Satya and P. K. Kaw, Phys. Rev. Lett. 31, 1453 (1973).

    P. N. Guzdar, Phys. Rev. Lett. 35, 1635 (1975).


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