SNS potential with exchange field in quantum dusty plasmas

Zeba, I.; Batool, Maryam; Khan, Arroj A.; Jamil, Muhammad; Rozina, Ch.

doi:10.1088/1361-6587/59/2/025008

Cited by 10 publications

(2 citation statements)

References 50 publications

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“…In addition, the various eigenmodes would be useful for the purpose of plasma heating and perhaps for radio-frequency current drive. Recently, the physical characteristics of quantum complex plasmas have been extensively investigated since the quantum complex plasmas are ubiquitous and can also be found in numerous nano-materials and nano-devices [38][39][40][41][42][43][44][45][46][47]. Hence, the investigation of the space-charge wave in cylindrically bounded degenerate quantum complex plasmas including the collision and quantum correlation effects will be treated elsewhere.…”

Section: Results and Discussion For Hasegawa Spacecharge Wavesmentioning

confidence: 99%

Whimsicality of multi-mode Hasegawa space-charge waves in a complex plasma containing collision-dominated electrons and streaming ions

Lee

Jung

2017

Plasma Phys. Control. Fusion

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The influence of collision-dominated electrons on multi-mode Hasegawa space-charge waves are investigated in a complex plasma containing streaming ions. The dispersion relation for the multi-mode Hasegawa space-charge wave propagating in a cylindrical waveguide filled with dusty plasma containing collision-dominated electrons and streaming ions is derived by using the fluid equations and Poisson's equation which lead to a Bessel equation. By the boundary condition, the roots of the Bessel function would characterize the property of space-charge wave propagation. It is found that two solutions exist for wave frequency, which are affected by the radius of waveguide and the roots of the Bessel function. The damping and growing modes are found to be enhanced by an increase of the radius. However, an increase of electron collision frequency would suppress the damping and the growing modes of the propagating space-charge wave in a cylindrical waveguide plasma.

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Section: Results and Discussion For Hasegawa Spacecharge Wavesmentioning

confidence: 99%

Whimsicality of multi-mode Hasegawa space-charge waves in a complex plasma containing collision-dominated electrons and streaming ions

Lee

Jung

2017

Plasma Phys. Control. Fusion

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“…The work [8] has been followed by a large number of papers on QDP that were dedicated to important plasma physics phenomena, such as the Jeans instability [9][10][11][12][13][14], different types of dust ion acoustic waves , the dust-lower-hybrid instability [38,39], new low-frequency oscillations [40], plasma waves and instabilities under a gravitational field [41,42], screening effects [43], and nonlinear ion acoustic waves [44]. These and related studies demonstrated that the inclusion of charged dust particles leads to a broad set of waves and oscillations that is much richer than in "ordinary" electron-ion quantum plasmas (see e.g.…”

Section: Introductionmentioning

confidence: 99%

A critique of "quantum dusty plasmas"

Moldabekov¹,

Bönitz²,

Ramazanov³

2019

Preprint

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During the recent decade a steadily increasing number of papers devoted to so-called "quantum dusty plasmas" (QDP) appeared. These systems are combining the properties of dusty (i.e. micrometer to nanometer-sized particles containing) plasmas with quantum effects appearing at high-density and/or low-temperature. Many exciting properties of QDP were predicted including nontrivial collective oscillations and linear and nonlinear waves. It was predicted that the results have relevance for dense astrophysical plasmas such as white dwarf stars, neutron stars, magnetars and laboratory plasmas in micro-and nano-devices. Here we present a careful examination of the plasma parameters for the expected applications and compare them to the conditions under which a dust particle can exist in a quantum plasma. The conclusion is that quantum dusty plasmas do not exist in reality.

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Modulation instability of lower hybrid waves leading to cusp solitons in electron–positron(hole)–ion Thomas Fermi plasma

Ehsan

Цинцадзе

Fedele

et al. 2019

Contributions to Plasma Physics

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Following the idea of three‐wave resonant interactions of lower hybrid waves, it is shown that quantum‐modified lower hybrid (QLH) wave in electron–positron–ion plasma with spatial dispersion can decay into another QLH wave (where electron and positrons are activated, whereas ions remain in the background) and another ultra‐low frequency quantum‐modified ultra‐low frequency Lower Hybrid (QULH) (where ions are mobile). Quantum effects like Bohm potential and Fermi pressure on the lower hybrid wave significantly reshaped the dispersion properties of these waves. Later, a set of non‐linear Zakharov equations were derived to consider the formation of QLH wave solitons, with the non‐linear contribution from the QLH waves. Furthermore, modulational instability of the lower hybrid wave solitons is investigated, and consequently, its growth rates are examined for different limiting cases. As the growth rate associated with the three‐wave resonant interaction is generally smaller than the growth associated with the modulational instability, only the latter have been investigated. Soliton solutions from the set of coupled Zakharov and NLS equations in the quasi‐stationary regime have been studied. Ordinary solitons are an attribute of non‐linearity, whereas a cusp soliton solution featured by nonlocal nonlinearity has also been studied. Such an approach to lower hybrid waves and cusp solitons study in Fermi gas comprising electron positron and ions is new and important. The general results obtained in this quantum plasma theory will have widespread applicability, particularly for processes in high‐energy plasma–laser interactions set for laboratory astrophysics and solid‐state plasmas.

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SNS potential with exchange field in quantum dusty plasmas

Cited by 10 publications

References 50 publications

Whimsicality of multi-mode Hasegawa space-charge waves in a complex plasma containing collision-dominated electrons and streaming ions

Whimsicality of multi-mode Hasegawa space-charge waves in a complex plasma containing collision-dominated electrons and streaming ions

A critique of "quantum dusty plasmas"

Modulation instability of lower hybrid waves leading to cusp solitons in electron–positron(hole)–ion Thomas Fermi plasma

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