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Radio wave heating of astrophysical plasmas

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dc.contributor.author Gangadhara, R. T
dc.contributor.author Krishan, V
dc.date.accessioned 2008-09-12T11:26:17Z
dc.date.available 2008-09-12T11:26:17Z
dc.date.issued 1990-12
dc.identifier.citation Journal of Astrophysics and Astronomy, Vol. 11, No. 4, pp. 515 - 531 en
dc.identifier.issn 0250-6335
dc.identifier.uri http://hdl.handle.net/2248/3588
dc.description.abstract The coherent plasma process, parametric decay instability (PDI), has been applied to a homogeneous and unmagnetized plasma. These instabilities cause anomalous absorption of strong electromagnetic radiation under specific conditions of energy and momentum conservation and thus cause anomalous heating of the plasma. The maximum plasma temperatures reached are functions of luminosity of the radio radiation and plasma parameters. It is believed that these processes may be taking place in many astrophysical objects. Here, the conditions in the sources 3C 273, 3C 48 and Crab Nebula are shown to be conducive to the excitation of PDI. These processes also contribute towards the absorption of 21-cm radiation. en
dc.language.iso en en
dc.publisher Indian Academy of Sciences en
dc.relation.uri http://adsabs.harvard.edu/abs/1990JApA...11..515G en
dc.subject Crab nebula en
dc.subject Electromagnetic radiation en
dc.subject Plasma heating en
dc.subject Quasars en
dc.subject Radio sources (Astronomy) en
dc.subject Galactic nuclei en
dc.subject Galactic Structure en
dc.subject Landau damping en
dc.subject Pulsars en
dc.subject Radio frequencies en
dc.subject Seyfert galaxies en
dc.title Radio wave heating of astrophysical plasmas en
dc.type Article en

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