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Browsing by Author "Mahajan, S. M"

Browsing by Author "Mahajan, S. M"

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  • Exact nonlinear solution for the Hall Alfvén wave in partially ionized plasmas 
    Krishan, V; Furukawa, M; Mahajan, S. M (Cambridge University Press, 2006-12)
    It is shown that the exact nonlinear solution for the Hall–Alfvén waves can be obtained in a uniformly rotating weakly ionized plasma such as those which exist in various types of accretion disks. In addition this piece ...
  • Exact solution of the incompressible Hall magnetohydrodynamics 
    Mahajan, S. M; Krishan, V (Royal Astronomical Society, 2005-05)
    The Alfvén wave is known to be an exact solution of the ideal magnetohydrodynamics (MHD), and this has found use in modelling astrophysical turbulence. In this paper we show that the Hall MHD also submits itself to an exact ...
  • Hall-magnetohydrodynamic turbulence 
    Krishan, V; Mahajan, S. M (Anita Publications, 2005)
  • HALL-MHD turbulence in the Solar atmosphere 
    Krishan, V; Mahajan, S. M (Springer, 2004-03)
    When the velocity field of a magneto-fluid is accorded an intrinsically equal status with the magnetic field, standard magnetohydrodynamics (MHD) must be replaced by the dispersive or Hall MHD which retains some crucial ...
  • Hall-MHD Turbulence in the Solar Wind 
    Krishan, V; Mahajan, S. M (The Royal Swedish Academy of Sciences, 2005)
    The solar wind is a great paradigm for investigating magnetohydrodynamic turbulence. It is shown that the frame work of Hall magnetohydrodynamics (HMHD), which can support three quadratic invariants and allows nonlinear ...
  • Magnetic fluctuations and Hall magnetohydrodynamic turbulence in the solar wind 
    Krishan, V; Mahajan, S. M (The American Geophysical Union, 2004-11)
    It is shown that the framework of Hall magnetohydrodynamics (Hall-MHD), which can support three quadratic invariants and allows nonlinear states to depart fundamentally from the Alfvénic, is capable of reproducing in the ...
  • Magnetorotational instability in accretion disks 
    Krishan, V; Mahajan, S. M (Springer Netherlands, 2008)
    Accretion disks are a basic and an ubiquitous construct of nature. We describe their formation, briefly and qualitatively, in diverse astrophysical situations. These systems, though controlled by the gravitational forces, ...
  • Modeling of short scale turbulence in the solar wind 
    Krishan, V; Mahajan, S. M (European Geosciences Union, 2005-01)
    The solar wind serves as a laboratory for investigating magnetohydrodynamic turbulence under conditions irreproducible on the terra firma. Here we show that the frame work of Hall magnetohydrodynamics (HMHD), which can ...
  • One-third spectrum in large scale Hall-magnetohydrodynamic turbulence 
    Krishan, V; Mahajan, S. M (American Institute of Physics, 2004-11)
    In a recent study [H. Branover, A. Eidelman, and E. Golbraikh, ``On the universality of large-scale turbulence,'' Phys. Fluids 16, 845 (2004)] the properties of the large scale turbulence have been investigated theoretically ...

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