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  1. Article

    Ground magnetic perturbations associated with the standing toroidal mode oscillations in the magnetosphere-ionosphere system

    The behavior of toroidal mode oscillations of standing Alfvén waves (refer to as standing Alfvén oscillations) in the coupled magnetosphere-ionosphere system is investigated using a trapezoid-shape magnetosphe...

    Hiroyuki Nakata, Shigeru Fujita, Akimasa Yoshikawa in Earth, Planets and Space (2000)

  2. Article

    A wave equation describing the generation of field-aligned current in the magnetosphere

    A wave equation describing the generation of field-aligned current (FAC) in the magnetosphere is derived. The equation has four source terms. The first and second terms represent the effects of inhomogeneous A...

    Masahiro Itonaga, Akimasa Yoshikawa, Shigeru Fujita in Earth, Planets and Space (2000)