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Related papers: Electron-drift driven ion-acoustic mode in a dusty…

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We study the linear growth and nonlinear saturation of the "acoustic Resonant Drag Instability" (RDI) when the dust grains, which drive the instability, have a wide, continuous spectrum of different sizes. This physics is generally…

Astrophysics of Galaxies · Physics 2021-12-13 Jonathan Squire , Stefania Moroianu , Philip F. Hopkins

We study the characteristics of small-amplitude nonlinear dust-ion-acoustic (DIA) solitary waves in active magnetized positive-ion-beam-driven dusty plasmas with the effects of nonadiabatic and adiabatic dust charge variations. In the…

Plasma Physics · Physics 2025-10-17 N. P. Acharya , S. Basnet , A. P. Misra , R. Khanal

The modulational instability (MI) of the dust-acoustic waves (DAWs) in an electron-positron-ion-dust plasma (containing super-thermal electrons, positrons and ions along with negatively charged adiabatic dust grains) is investigated by the…

Plasma Physics · Physics 2020-01-08 A. A. Noman , N. A. Chowdhury , A. Mannan , A. A. Mamun

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

The Buneman and ion acoustic instabilities are usually associated with different electron and ion drift velocities, in such a way that there is a large current through the plasma. However, due to the recently discovered current-driven…

Plasma Physics · Physics 2022-03-16 Sigvald Marholm , Sayan Adhikari , Wojciech J. Miloch

The instability of current-driven ion-acoustic waves in the collisionless magnetic-field-free space plasma is investigated by using a nonextensive approach. The ions and the electrons are thought of in the power-law distributions that can…

Plasma Physics · Physics 2015-08-10 Zhipeng Liu , Liyan Liu , Jiulin Du

We study the oblique propagation of weakly nonlinear dust-ion-acoustic (DIA) solitary waves (SWs) and shocks in collisional magnetized nonthermal dusty plasmas that are relevant in laboratory and space (Saturn's E-ring) environments. We…

Plasma Physics · Physics 2024-05-21 Num Prasad Acharya , Suresh Basnet , Amar P. Misra , Raju Khanal

An experimental study to investigate the effect of an external magnetic field on the propagation of ion-acoustic waves (IAWs) has been carried out in hydrogen plasma containing two-temperature electrons and dust grains. A low-pressure hot…

Plasma Physics · Physics 2022-04-01 K. Deka , R. Paul , G. Sharma , N. Das , S. Adhikari , R. Moulick , S. S. Kausik , B. K. Saikia , O. H. Chin , C. S. Wong

An investigation of dust-acoustic solitary waves in unmagnetized dusty plasma whose constituents are inertial charged dust grains, Boltzmannian electrons and nonthermal ions has been conducted. The pseudo potential as well as the reductive…

Plasma Physics · Physics 2007-05-23 K. Annou , R. Annou

We reveal a new dispersive dust-lower-hybrid (DLH)-like mode that can couple to modified dust-cyclotron (DC) waves in a dusty magnetoplasma by the influence of a streaming ion beam. Previous studies have overlooked such hybrid modes and the…

Plasma Physics · Physics 2025-12-10 A. P. Misra , N. P. Acharya , S. Basnet , R. Khanal

The nonlinear propagation of the dust-acoustic bright and dark envelope solitons in an opposite polarity dusty plasma system (composed of non-extensive $q$-distributed electrons, isothermal ions, and positively as well as negatively charged…

Plasma Physics · Physics 2019-03-27 S. Jahan , N. A. Chowdhury , A. Mannan , A. A. Mamun

In this work linear stability analysis of a four-fluid optically thin plasma consisting of electrons, ions, neutral atoms, and charged dust particles is performed with respect to the radiation-condensation (RC) instability. The energy…

Plasma Physics · Physics 2009-11-13 A. Kopp , Yu. A. Shchekinov

Dust particles immersed in a plasma environment become charged through the collection of electrons and ions at random times, causing the dust charge to fluctuate about an equilibrium value. Small grains (with radii less than 1 \mum) or…

Plasma Physics · Physics 2018-05-16 Lorin S. Matthews , Babak Shotorban , Truell W. Hyde

In this article we are going to consider dust acoustic wave in dusty plasma whose constituents are inertial negative charged dust particles, Boltzmann distributed electrons and non-thermal distributed ions with variable dust charge. Using…

Plasma Physics · Physics 2011-06-21 Gh. Forozani , M. Mohammadi

Theoretical and numerical studies are presented of the nonlinear amplitude modulation of dust-acoustic (DA) waves propagating in an unmagnetized three component, weakly-coupled, fully ionized plasma consisting of electrons, positive ions…

Plasma Physics · Physics 2009-11-10 I. Kourakis , P. K. Shukla

We report on a first-principles numerical study of magnetic reconnection in plasmas with different initial ion-to-electron temperature ratios. In cases where this ratio is significantly below unity, we observe intense wave activity in the…

Plasma Physics · Physics 2026-03-02 Dion Li , Zhuo Liu , Nuno F. Loureiro

A new nonlinear electromagnetic wave mode in a magnetized dusty plasma is predicted. Its existence depends on the interaction of an intense circularly polarized electromagnetic wave with a dusty plasma, where quantum electrodynamical…

Astrophysics · Physics 2008-11-26 M. Marklund , L. Stenflo , P. K. Shukla , G. Brodin

We study thermal instability in a magnetized and partially ionized plasma with charged dust particles. Our linear analysis shows that the growth rate of the unstable modes in the presence of dust particles strongly depends on the ratio of…

Astrophysics · Physics 2009-11-13 Mohsen Shadmehri , Sami Dib

Dust-ion-acoustic (DIA) rogue waves (DIARWs) are investigated in a three components dusty plasma system containing inertialess electrons featuring non-thermal non-extensive distribution as well as inertial warm ions and negative dust…

Plasma Physics · Physics 2020-01-08 T. I. Rajib , N. K. Tamanna , N. A. Chowdhury , A. Mannan , S. Sultana , A. A. Mamun

The influence of a charge-gradient force, associated with variations of the particle charge in response to external perturbations, on the propagation of low-frequency waves in weakly coupled complex (dusty) plasmas is investigated. The…

Plasma Physics · Physics 2018-03-22 Alexey Khrapak , Sergey Khrapak