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Related papers: Dispersion and damping of two-dimensional dust aco…

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Brownian dynamics simulations were carried out to study wave spectra of two-dimensional dusty plasma liquids and solids for a wide range of wavelengths. The existence of a longitudinal dust thermal mode was confirmed in simulations, and a…

Plasma Physics · Physics 2015-05-13 Lu-Jing Hou , Z. L. Mišković , Alexander Piel , Michael S. Murillo

Low frequency dust acoustic waves (DAW) were excited in a laboratory argon dusty plasma by modulating the discharge voltage with a low frequency AC signal. Metallic graphite particles were used as dust grains and a digital FFT technique was…

Plasma Physics · Physics 2016-04-20 P. Bandyopadhyay , G. Prasad , A. Sen

A rigorous theoretical investigation is made to study the characteristics of dust-acoustic (DA) waves (DAWs) in an electron depleted unmagnetized opposite polarity dusty plasma system that contains super-thermal ($\kappa$-distributed) ions,…

Plasma Physics · Physics 2019-09-04 R. K. Shikha , N. A. Chowdhury , A. Mannan , A. A. Mamun

We perform Brownian dynamics simulations for studying the self-diffusion in two-dimensional (2D) dusty plasma liquids, in terms of both mean-square displacement and velocity autocorrelation function (VAF). Super-diffusion of charged dust…

Plasma Physics · Physics 2009-02-25 Lu-Jing Hou , Alexander Piel , P. K. Shukla

We investigate the propagation characteristics of electrostatic dust-acoustic (DA) solitary waves and shocks in a strongly coupled dusty plasma consisting of intertialess electrons and ions, and strongly coupled inertial charged dust…

Plasma Physics · Physics 2015-03-20 Y. Wang , A. P. Misra

A linear theory of dust acoustic (DA) and dust ion-acoustic (DIA) waves in a self-gravitating collisional dusty plasma contaminated by variable-charge impurities is presented for a self-consistent closed system. The ion-drag force arising…

Pattern Formation and Solitons · Physics 2007-05-23 Amar P Misra , K. Roy Chowdhury , A. Roy Chowdhury

The impacts of dust density inhomogeneity and dust size distribution (DSD) on linear dust acoustic (DA) wave propagation have been investigated theoretically in an inhomogeneous unmagnetized dusty plasma having powerlaw DSD. Two different…

Plasma Physics · Physics 2020-03-05 Gadadhar Banerjee , Sarit Maitra , Chitrita Dasgupta

The propagation characteristics of small-amplitude dust-acoustic (DA) solitary waves (SWs) and shocks are studied in an unmagnetized dusty plasma with a pair of trapped positive and negative ions. Using the standard reductive perturbation…

Plasma Physics · Physics 2017-07-04 N. C. Adhikary , A. P. Misra , M. K. Deka , A. N. Dev

Modulational instability (MI) of dust acoustic waves (DAWs), which propagates in an opposite polarity dusty plasma system, containing inertial warm negatively and positively charged dust particles as well as non-extensive q-distributed…

Plasma Physics · Physics 2017-12-29 D. M. S. Zaman , A. Mannan , A. A. Mamun

We examine linear dust acoustic waves (DAWs) in a dusty plasma with strongly correlated dust grains, and discuss possibility of a twisted DA vortex beam carrying orbital angular momentum (OAM). For our purposes, we use the Boltzmann…

Plasma Physics · Physics 2015-06-11 P. K. Shukla

The nonlinear propagation of dust-acoustic (DA) waves (DAWs) and associated DA rogue waves (DARWs), which are governed by the nonlinear Schr\"{o}dinger equation, is theoretically investigated in a four component plasma medium containing…

Plasma Physics · Physics 2020-04-22 S. K. Paul , N. A. Chowdhury , A. Mannan , A. A. Mamun

We investigate the propagation characteristics of two counter propagating dust acoustic solitary waves (DASWs) undergoing a head-on collision, in the presence of strong coupling between micron sized charged dust particles in a complex…

Plasma Physics · Physics 2016-11-04 S. Jaiswal , P. Bandyopadhayay , A. Sen

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…

Plasma Physics · Physics 2018-10-02 S. Jahan , A. Mannan , N. A. Chowdhury , A. A. Mamun

We report on experimental observations of flow induced large amplitude dust-acoustic shock waves (DASW) in a complex plasma. The experiments have been carried out in a $\Pi$ shaped DC glow discharge experimental device using kaolin…

Plasma Physics · Physics 2016-08-24 S. Jaiswal , P. Bandyopadhyay , A. Sen

We present a theoretical and numerical study of the self-steepening and shock formation of large-amplitude dust ion-acoustic waves (DIAWs) in dusty plasmas. We compare the non-dispersive two fluid model, which predicts the formation of…

Plasma Physics · Physics 2007-05-23 Bengt Eliasson , Padma Kant Shukla

We present a fully nonlinear theory for dust acoustic (DA) shocks and DA solitary pulses in a strongly coupled dusty plasma, which have been recently observed experimentally by Heinrich et al. [Phys. Rev. Lett. 103, 115002 (2009)], Teng et…

Plasma Physics · Physics 2015-06-05 P. K. Shukla , B. Eliasson

The properties of electrostatic transverse shear waves propagating in a strongly coupled dusty plasma with an equilibrium density gradient are examined using the generalized hydrodynamic equation. In the usual kinetic limit, the resulting…

Plasma Physics · Physics 2015-06-17 M. S Janaki , D. Banerjee , N. Chakrabarti

The linear dispersion properties of transverse shear waves in a strongly coupled dusty plasma are experimentally studied by exciting them in a controlled manner with a variable frequency external source. The dusty plasma is maintained in…

Plasma Physics · Physics 2008-07-07 P. Bandyopadhyay , G. Prasad , A. Sen , P. K. Kaw

The modulational instability of dust-acoustic (DA) waves (DAWs), and corresponding DA rogue waves (DARWs) in a realistic space dusty plasma system (containing inertial warm positively and negatively charged dust, isothermal ions, and…

Plasma Physics · Physics 2017-11-22 N. A. Chowdhury , A. A. Mamun

A viscous dusty plasma containing Kappa distributed electrons, positive warm viscous ions and constant negatively charged dust grains with viscosity have been considered to study the modes of dust ion acoustic waves (DIAWs) theoretically…

Plasma Physics · Physics 2023-02-09 J. Goswami , S. S. Kausik
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