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Title: Linear and non-linear propagation of electron plasma waves in quantum plasma
Authors: Chandra, Swarniv
Paul, Sailendra Nath
Ghosh, Basudev
Keywords: Quantum plasma
Electron plasma waves
Quantum hydrodynamic model
Korteweg de Vries equation
Issue Date: May-2012
Publisher: NISCAIR-CSIR, India
Abstract: Using one-dimensional quantum hydrodynamic model, the linear and non-linear characteristics of electron plasma waves have been studied both analytically and numerically in a I two-component unmagnetized dense quantum plasma with streaming motion. It is shown that quantum effect modifies the linear dispersion character of the electron plasma waves and streaming effect makes it possible the excitation of two distinct modes. To describe the non-linear behaviour, Korteweg de Vries equation is derived by using the standard reductive perturbation technique and incorporating quantum-mechanical effects. It is shown that depending on/some critical values of the quantum diffraction parameter both rarefactive and compressive type of solitons can exist in the model plasma. The structure of the solitary waves is shown to be significantly affected by the quantum plasma parameters and streaming motion.
Page(s): 314-319
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.50(05) [May 2012]

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