4.8 Article

Kinetic Alfven Wave Turbulence and Transport through a Reconnection Diffusion Region

Journal

PHYSICAL REVIEW LETTERS
Volume 102, Issue 1, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.015001

Keywords

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Funding

  1. NSF [ATM-0602728]
  2. NASA [NNG05GL27G-06/08, NNH07AF37I, NNG07EK69I]

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We demonstrate from observations that kinetic Alfven waves may play an important role in facilitating magnetic reconnection. These waves radiate outwards from the diffusion region oblique to the magnetic field in a conelike pattern delimited by the X line separatrices with outward energy fluxes equivalent to that contained in the outstreaming ions. It is shown that the wave vectors reverse across the X and symmetry lines and have a large out of plane component. We estimate that these waves drive significant transport through the diffusion region.

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