Higher-order nonlinear electron-acoustic solitary excitations in partially degenerate quantum electron-ion plasmas

Details Higher-order nonlinear electron-acoustic solitary excitations in partially degenerate quantum electron-ion plasmas Higher-order nonlinear electron-acoustic solitary excitations in partially degenerate quantum electron-ion plasmas

2011-09-08

arxiv.org/abs/1109.1847v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

To appear in Indian Journal of Physics

Scientific paper

Propagation of dressed solitary excitations are studied in a partially degenerate quantum plasma in the framework of quantum-hydrodynamics (QHD) model using multiple scales technique. The evolution equation together with a linear inhomogeneous differential equation is solved using Kodama-Taniuti renormalizing technique. It is shown that the type of solitary excitations (bright or dark) is defined by two critical plasma parameter values.

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