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    • Keywords


      Dispersion relation; parallel resonance energy; VLF emissions; whistler; waves; magnetic storms

    • Abstract


      In this short communication, we have evaluated the effect of thermal velocity of the plasma particles on the energy of resonantly interacting energetic electrons with the propagating whistler mode waves as a function of wave frequency and L-value for the normal and disturbed magnetospheric conditions. During the disturbed conditions when the magnetosphere is depleted in electron density, the resonance energy of the electron enhances by an order of magnitude at higher latitudes, whereas the effect is small at low latitudes. An attempt is made to explain the enhanced wave activity observed during magnetic storm periods.

    • Author Affiliations


      Devendra A Siingh1 Shubha Singh2 R P Singh2

      1. Indian Institute of Tropical Meteorology, Dr. Homi Bhabha Road, Pune - 411 008, India
      2. Department of Physics, Banaras Hindu University, Varanasi - 221 005, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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