Quantum electron-acoustic solitary waves interaction in dense electron-ion plasmas

Details Quantum electron-acoustic solitary waves interaction in dense electron-ion plasmas Quantum electron-acoustic solitary waves interaction in dense electron-ion plasmas

May 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.339..195e&link_type=abstract

Astrophysics and Space Science, Volume 339, Issue 1, pp.195-201

Astronomy and Astrophysics

Astrophysics

Bohm Potential, The Head-On Collision, Quantum Electron-Acoustic Solitary Waves, Extended Poincaré-Lighthill-Kuo Method, Phase Shifts

Scientific paper

The effects of Bohm potential on the head-on collision between two quantum electron-acoustic solitary waves (QEASWs) in two electron species quantum plasma have been investigated using the extended Poincaré-Lighthill-Kuo (PLK) method. The analytical phase shifts after the head-on collision of the two QEASWs are derived. Numerically, in two cases (i.e., the dense solid state plasma and the dense astrophysical environments), the results show that the cold electron-to-hot electron number density ratio, the quantum corrections of diffraction and Fermi temperature of hot electrons have strong effects on the nature of the phase shifts and the trajectories of two QEASWs after collision.

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