Abstract
The propagation of nonlinear waves in a quantum plasma is studied. A quantum magnetohydrodynamic (QHD) model is used to take into account the effects of quantum force associated with the Bohm potential. Using the standard reductive perturbation technique, nonlinear Kadomtsev-Petviashvili (KP) equation is obtained to study the properties of ion acoustic waves (IAWs). For such waves the amplitude of the solitary waves is independent of the quantum parameter H (the ratio of the electron plasmon to electron Fermi energy), whereas the width and energy of the soliton increases with H.
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Sahu, B., Ghosh, N.K. Kadomstev-Petviashvili solitons in quantum plasmas. Astrophys Space Sci 343, 289–292 (2013). https://doi.org/10.1007/s10509-012-1246-8
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DOI: https://doi.org/10.1007/s10509-012-1246-8