Study on sheath formation in astroplasmas under Coriolis force and behavior of levitated dust grains forming nebulon around Moon

Details Study on sheath formation in astroplasmas under Coriolis force and behavior of levitated dust grains forming nebulon around Moon Study on sheath formation in astroplasmas under Coriolis force and behavior of levitated dust grains forming nebulon around Moon

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.332..301d&link_type=abstract

Astrophysics and Space Science, Volume 332, Issue 2, pp.301-308

Astronomy and Astrophysics

Astrophysics

1

Nonlinear Waves, Sheath In Rotating Plasmas, Nebulons: Dust Clouds

Scientific paper

Pseudopotential analysis has been employed to derive a modified Sagdeev potential-like wave equation for studying the sheath formation in astroplasma problems. Complexity in process urges to derive the new findings numerically by using fourth-order Runge-Kutta method. Main emphasis has been given to investigate the role of Coriolis force on the formation and changes on coherent structures of sheath suitably thought for the configuration of astroplasma. Study determines the sheath thickness and potential variation with the interaction of Coriolis force and thereby finds dynamical behavior of levitated dust grains into the evaluated sheath region. This leads to find the dust size, and corresponding forces generated on dust grain with a view to relate theoretical observations to real astrophysical phenomena and could be of interest to explain formation of dust clouds in spaces. To support the observations, we some thoughtful numeric plasma parameters for the case of Earth's Moon, have taken for graphical presentations. Overall observations expect the study could be of interest as an advanced knowledge in rotating astroplasmas, and expecting many salient features which are yet to be known.

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