Rogue waves in space dusty plasmas

Chowdhury, N. A.; Mannan, A.; Mamun, A. A.

doi:10.1063/1.5000027

Cited by 52 publications

(59 citation statements)

References 38 publications

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“…From Literature, it can be manifested that small value of κ represents a hard spectrum, and when κ is small then the movement of the plasma particles is larger then the large value of κ. So, the nonlinearity of the plasma medium increases with the decrease of κ, and this result agrees with the result of Chowdhury et al [11] work. The nature of the amplitude and the width of the DARWs is also governed by plasma parameters µ i and σ, and their effects can be observed from Figs.…”

Section: And Rogue Wavessupporting

confidence: 92%

Dust-acoustic Rogue Waves in Four-Component Plasmas

et al. 2020

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A theoretical investigation has been made on modulational instability (MI) and dust-acoustic (DA) rogue waves (DARWs) in a four dusty plasma medium containing inertial negatively charged massive heavy (light) cold (hot) dust grains as well as superthermal electrons and non-thermal ions. The reductive perturbation method is used to derive the nonlinear Schrödinger equation, and two types of modes, namely fast and slow DA modes, have been observed. The conditions for the MI and the formation of associated DARWs are found to be significantly modified by the effects of non-thermality of ions (α), super-thermality of electrons (κ), density-ratio of non-thermal ion to cold dust (µ i ), and mass-ratio of cold dust to hot dust (σ), etc. The implications of our current investigation in space and laboratory plasmas are briefly discussed.

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Section: And Rogue Wavessupporting

confidence: 92%

Dust-acoustic Rogue Waves in Four-Component Plasmas

et al. 2020

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“…The plot of P/Q against k yields stable and unstable parametric regimes of the DAWs. The point, at which the transition of P/Q curve intersect with k-axis, is known as threshold or critical wave number k (= k c ) [18,19,20,21,22,23,24,25]. The governing equation for highly energetic DARWs in the modulationally unstable parametric regime (P/Q > 0) can be written as [26,27,28,29,30]…”

Section: Modulational Instability and Rogue Wavesmentioning

confidence: 99%

Dust-acoustic rogue waves in non-thermal plasmas

et al. 2020

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The nonlinear propagation of dust-acoustic (DA) waves (DAWs) and associated DA rogue waves (DARWs), which are governed by the nonlinear Schrödinger equation, is theoretically investigated in a four component plasma medium containing inertial warm negatively charged dust grains and inertialess non-thermal distributed electrons as well as iso-thermal positrons and ions. The modulationally stable and unstable parametric regimes of DAWs are numerically studied for the plasma parameters. Furthermore, the effects of temperature ratios of ion-to-electron and ion-to-positron, and the number density of ion and dust grains on the DARWs are investigated. It is observed that the physical parameters play a very crucial role in the formation of DARWs. These results may be useful in understanding the electrostatic excitations in dusty plasmas in space and laboratory situations.

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“…A number of authors have considered a more general case in which the two ion species have different temperatures, masses, and charge multiplicities in PIPM. Isothermal [13][14][15] and adiabatic ion fluids [9][10][11] are relevant in many plasma situations. We have considered an adiabatic ion fluid but not isothermal ions.…”

Section: Introductionmentioning

confidence: 99%

“…[7][8][9][10][11] The existence of positive ions in MPPs drastically alters charge neutrality condition, [12] the dispersive property, [2] non-linearity of the IAWs, [12] etc. The adiabaticity of the ion fluid significantly modifies the basic features of non-linear structures like solitary, [15,16] shock, [17] and rogue [13] waves, etc. Isothermal [13][14][15] and adiabatic ion fluids [9][10][11] are relevant in many plasma situations.…”

Section: Introductionmentioning

confidence: 99%

“…Isothermal [13][14][15] and adiabatic ion fluids [9][10][11] are relevant in many plasma situations. The adiabaticity of the ion fluid significantly modifies the basic features of non-linear structures like solitary, [15,16] shock, [17] and rogue [13] waves, etc.Boltzmann-Gibbs statistics (BGS), which was successful in describing thermally equilibrium systems, did not describe many natural and artificial complex systems that are far from equilibrium. Motivated by this situation, Tsallis came up with a concept of generalized BGS known as non-extensive statistical mechanics, which has offered a theoretical basis for interpreting and analysing non-equilibrium complex systems.…”

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Rogue waves in multi‐pair plasma medium

Khondaker

Mannan

Chowdhury

et al. 2019

Contributions to Plasma Physics

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The non-linear propagation of ion acoustic (IA) waves, which is governed by the non-linear Schrödinger equation, in multi-pair plasmas (MPPs) containing adiabatic positive and negative ion fluids as well as non-extensive (q-distributed) electrons and positrons is theoretically investigated. It is observed that the MPP under consideration supports two types of modes, namely fast and slow IA modes, and the modulationally stable and unstable parametric regimes for the fast and slow IA modes are determined by the sign of the ratio of the dispersive coefficient to the non-linear one. It is also found that the modulationally unstable regime generates highly energetic IA rogue waves (IARWs), and the amplitude as well as the width of the IARWs decreases with increase in the value of q (for both q > 0 and q < 0 limits). These new striking features of the IARWs are found to be applicable in the space (i.e., D-region [H + , O − 2 ], and F-region [H + , H − ] of the Earth's ionosphere) and laboratory MPPs (i.e., fullerene [C + , C − ]).

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Rogue waves in space dusty plasmas

Cited by 52 publications

References 38 publications

Dust-acoustic Rogue Waves in Four-Component Plasmas

Dust-acoustic Rogue Waves in Four-Component Plasmas

Dust-acoustic rogue waves in non-thermal plasmas

Rogue waves in multi‐pair plasma medium

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