2014
DOI: 10.1063/1.4897327
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Non-linear Langmuir waves in a warm quantum plasma

Abstract: A non-linear differential equation describing the Langmuir waves in a warm quantum electron-ion plasma has been derived. Its numerical solutions of the equation show that ordinary electronic oscillations, similar to the classical oscillations, occur along with small-scale quantum Langmuir oscillations induced by the Bohm quantum force.

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Cited by 24 publications
(27 citation statements)
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“…Now we will consider the generalized dispersion relation (20) in limiting cases for examining, the degree of temperature degeneracy and spin-1/2 magnetization effects on the MHD waves with respect to different angles of propagation. Now we will consider the generalized dispersion relation (20) in limiting cases for examining, the degree of temperature degeneracy and spin-1/2 magnetization effects on the MHD waves with respect to different angles of propagation.…”
Section: Governing Equations and Generalized Dispersion Relationmentioning
confidence: 99%
“…Now we will consider the generalized dispersion relation (20) in limiting cases for examining, the degree of temperature degeneracy and spin-1/2 magnetization effects on the MHD waves with respect to different angles of propagation. Now we will consider the generalized dispersion relation (20) in limiting cases for examining, the degree of temperature degeneracy and spin-1/2 magnetization effects on the MHD waves with respect to different angles of propagation.…”
Section: Governing Equations and Generalized Dispersion Relationmentioning
confidence: 99%
“…Недавно в работе [17] был предложен подход на основе гидродинамического описания электростатиче-ских волн в квантовой плазме, позволяющий получать нелинейные решения уравнений. В рамках этого подхо-да были проанализированы нелинейные ленгмюровские волны в квантовой плазме и показано, что эти волны всегда двухцветны.…”
Section: Introductionunclassified
“…При этом низкочастотная составляю-щая волны соответствует классическим ленгмюровским волнам, а высокочастотная составляющая -свободным квантовым колебаниям электронов. Фактически в рабо-те [17] была рассмотрена динамика одной компоненты плазмы -электронной, в то время как ионы считались достаточно массивными и неподвижными.…”
Section: Introductionunclassified
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“…The ranges of the phase velocities of the periodic ion-acoustic waves and the soliton speed were determined in degenerate plasma, but ignoring quantum diffraction effects. Also, nonlinear Langmuir waves in a dense plasma with arbitrary degeneracy of electrons in the absence as well as in the presence of quantum diffraction effects in the model have been studied [25]. Eliasson and Shukla [26] derived certain nonlinear quantum electron fluid equation by taking into account the moments of the Wigner equation and using the Fermi-Dirac distribution function for electrons of arbitrary temperature.…”
Section: Introductionmentioning
confidence: 99%