Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.tmp..142e&link_type=abstract
Astrophysics and Space Science, Online First
Astronomy and Astrophysics
Astrophysics
Head-On Collision, Quantum Dust-Acoustic Solitary Waves, The Extended Poincaré-Lighthill-Kuo, Ultradense Astrophysical Objects, The Dust Size Distribution
Scientific paper
The head-on collision between two quantum dust-acoustic solitary waves (QDASWs) in ultradense astrophysical objects has been investigated theoretically using the extended Poincaré-Lighthill-Kuo (PLK) method. The Korteweg-de Vries equations and the analytical phase shifts after the head-on collision of the two QDASWs in quantum dusty plasmas are obtained. Numerically, the obtained results demonstrate that the dust size distribution, the quantum corrections of diffraction and the temperatures of electrons and ions have strong effects on the nature of the phase shifts and the trajectories of the two QDASWs after collision.
El-Labany S. K.
El-Shamy E. F.
El-Sherbeny S. K.
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