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A note on the Weibel instability and thermal fluctuations

Treumann, R. A., and W. Baumjohann (2012), A note on the Weibel instability and thermal fluctuations, Annales Geophysicae, 30, 427-431, doi:10.5194/angeo-30-427-2012.

The thermal fluctuation level of the Weibel instability is recalculated. It
is shown that the divergence of the fluctuations at long wavelengths, i.e.\
the Weibel infrared catastrophe, never occurs. At large wavelengths the
thermal fluctuation level is terminated by the presence of even the smallest
available stable thermal anisotropy. Weibel fields penetrate only one skin
depth into the plasma. When excited inside, they cause layers of antiparallel
fields of skin depth width and vortices which may be subject to reconnection.
\keywords{Space plasma physics (Waves and instabilities)}
Further information
  author = {R. A. Treumann and W. Baumjohann},
  journal = {Annales Geophysicae},
  month = {feb},
  pages = {427-431},
  title = {{A note on the Weibel instability and thermal fluctuations}},
  volume = {30},
  year = {2012},
  url = {http://www.ann-geophys.net/30/427/2012/angeo-30-427-2012.html},
  doi = {10.5194/angeo-30-427-2012},
%0 Journal Article
%A Treumann, R. A.
%A Baumjohann, W.
%D 2012
%V 30
%J Annales Geophysicae
%P 427-431
%T A note on the Weibel instability and thermal fluctuations
%U http://www.ann-geophys.net/30/427/2012/angeo-30-427-2012.html
%U http://arxiv.org/abs/1202.5424
%8 feb
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Printed 02. Dec 2021 23:18