Volume 94, Number 6, June 2011
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||13 June 2011|
Cylindrical and spherical ion shock waves in a strongly coupled degenerate plasma
Department of Physics, Jahangirnagar University - Savar, Dhaka-1342, Bangladesh
2 International Centre for Advanced Studies in Physical Sciences, Faculty of Physics & Astronomy, Ruhr-Universität Bochum - D-44780 Bochum, Germany, EU
Accepted: 11 May 2011
Cylindrical and spherical ion shock (IS) waves in a dense plasma with non-relativistic and ultra-relativistic degenerate electron fluids and strongly coupled degenerate ion fluids have been investigated. By using appropriate nonlinear equations for our strongly coupled dense plasma and the reductive perturbation method, a modified Burgers equation (MBE) has been derived. The MBE has been numerically solved to depict the salient features of cylindrical and spherical IS waves in such a strongly coupled dense plasma. The implications of our results to dense plasmas in astrophysical objects (e.g., non-rotating white dwarf stars) are briefly discussed.
PACS: 52.35.Fp – Electrostatic waves and oscillations (e.g., ion-acoustic waves) / 52.35.Sb – Solitons; BGK modes / 52.35.Tc – Shock waves and discontinuities
© EPLA, 2011
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