Response to "comment on Mathematical and physical aspects of Kappa velocity distribution' " [Phys. Plasmas 16, 094701 (2009)]

L. N. Hau, W. Z. Fu, S. H. Chuang

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Abstract

The comment questions the formulation of the κ velocity distribution function used in our paper as compared to a slightly different form used by the authors. The difference in the distribution function necessarily leads to different number densities, thermal pressures, etc. We show that the restriction with their distribution function is that the macroscopic temperature (or average kinetic energy) is the same for all spatially uniform systems with a family of κ distributions including the Maxwellian case. The distribution function used in our paper and widely adopted in various studies of nonthermal systems, however, does not impose such a constraint; in particular, the temperature has κ dependence reflecting the kinetic nature of different statistical systems. The points made in the comment are trivial and misleading.

Original languageEnglish
Article number094702
JournalPhysics of Plasmas
Volume16
Issue number9
DOIs
StatePublished - 2009

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