Journal
JOURNAL OF PLASMA PHYSICS
Volume 76, Issue -, Pages 135-158Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0022377809990031
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Funding
- Centre for Fundamental Physics (CfFP) at Rutherford Appleton Laboratory, Chilton (UK)
- Deutsche Forschungsgemeinschaft (Bonn) [SH21/3-I]
- Swedish Research Council
- Engineering and Physical Sciences Research Council [EP/G04239X/1] Funding Source: researchfish
- EPSRC [EP/G04239X/1] Funding Source: UKRI
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The solar coronal plasma is maintained at temperatures of millions of degrees, much hotter than the photosphere, which is at a temperature of just 6000 K. in this paper: the plasma particle heating based on the kinetic theory of wave particle interactions involving kinetic Alfven waves and lower-hybrid drift modes is presented. The solar coronal plasma is collisionless and therefore the heating must rely on turbulent wave heating models, such as lower-hybrid drift models at reconnection sites or the kinetic Alfven waves. These turbulent wave modes are created by a variety of instabilities driven from below. The transition region at altitudes of about 2000 km is an important boundary chromosphere, since it separates the collision-dominated photosphere/chromosphere and the collision less corona. The collisionless plasma of the corona is ideal for supporting kinetic wave plasma interactions. Wave particle interactions lead to anisotropic non-Maxwellian plasma distribution functions, which may be investigated by using spectral analysis procedures being developed at the present time.
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