Electron acceleration in reconnecting current sheets

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Abstract

We present the results of charged particle orbit calculations in prescribed electric and magnetic fields motivated by magnetic reconnection models. Due to the presence of a strong guide field, the particle orbits can be calculated in the guiding centre approximation. The electromagnetic fields are chosen to resemble a reconnecting magnetic current sheet with a localised reconnection region. An initially Maxwellian distribution function in the inflow region can develop a beam-like component in the outflow region. Possible implications of these findings for acceleration scenarios in solar flares will be discussed.

Original languageEnglish
Pages (from-to)73-95
Number of pages23
JournalSolar Physics
Volume226
Issue number1
DOIs
Publication statusPublished - Jan 2005

Keywords

  • COLLISIONLESS MAGNETIC RECONNECTION
  • IMPULSIVE SOLAR-FLARES
  • DRIVEN MAGNETOHYDRODYNAMIC TURBULENCE
  • FAST-MODE WAVES
  • PARTICLE-ACCELERATION
  • PROTON ACCELERATION
  • FERMI ACCELERATION
  • ENERGY-SPECTRUM
  • 2-RIBBON FLARES
  • FIELD

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