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A proper theoretical research has been carried out to explore the modulational instability (MI) conditions of dust-ion-acoustic (DIA) waves (DIAWs) in a three-component dusty plasma system containing inertialess $\kappa$-distributed…

等离子体物理 · 物理学 2021-03-12 B. E. Sharmin , R. K. Shikha , N. K. Tamanna , N. A. Chowdhury , A. Mannan , A. A. Mamun

In this fourth paper in a series, we present a model of the remarkable temporal and azimuthal variability of the Io plasma torus observed during the Cassini encounter with Jupiter. Over a period of three months, the Cassini Ultraviolet…

天体物理学 · 物理学 2009-10-16 A. J. Steffl , P. A. Delamere , F. Bagenal

In a new toroidal laboratory plasma device including a poloidal magnetic field created by an internal circular conductor, the confinement efficiency of the magnetized plasma and the turbulence level are studied in different situations. The…

等离子体物理 · 物理学 2015-06-11 Thiery Pierre

High-power impulse magnetron sputtering (HiPIMS) offers considerable control over ion energy and flux, making it invaluable for tailoring the microstructure and properties of advanced functional coatings. However, compared to conventional…

等离子体物理 · 物理学 2026-01-12 Alexander Wieczorek , Nathan Rodkey , Jan Sommerhäuser , Jason Hattrick-Simpers , Sebastian Siol

Bulk viscosity of a plasma consisting of strongly coupled diatomic ions is computed using molecular dynamics simulations. The simulations are based on the rigid rotor one-component plasma, which is introduced as a model system that adds two…

等离子体物理 · 物理学 2024-05-29 Jarett LeVan , Marco Acciarri , Scott Baalrud

A theoretical model based on the method of super transition arrays (STA) is used to compute the emissivities, opacities and average ionization states of carbon (C) and polystyrene (CH) plasmas in the warm-dense matter regime in which the…

等离子体物理 · 物理学 2018-11-20 Teck-Ghee Lee , M. Busquet , M. Klapisch , J. W. Bates , A. J. Schmitt , S. X. Hu , J. Giuliani

A new magnetic phase with $T_C = 72 \ \mathrm K$ was obtained by exposing the three-dimensional $\mathrm{\{ [Mn^{II}(H_2O)_2]_2[Nb^{IV}(CN)_8] \cdot 4H_2O \} _n}$ coordination ferrimagnet ($T_C = 49 \ \mathrm K$) to air, oxygen, nitrogen,…

材料科学 · 物理学 2024-02-29 Dominik Czernia , Piotr Konieczny , Marcin Perzanowski , Beata Nowicka , Dawid Pinkowicz

A high-resolution spectrum obtained with the low-energy transmission grating onboard the Chandra observatory is presented and analyzed. Our analysis indicates very hot plasma with temperatures up to T=15-20MK from the continuum and from…

天体物理学 · 物理学 2009-11-07 J. -U. Ness , J. H. M. M. Schmitt , V. Burwitz , R. Mewe , P. Predehl

Pseudoheating of ions in the presence of Alfv\'en waves is studied. We show that this process can be explained by $E\times B$ drift. The analytic solution obtained in this paper are quantitatively in accordance with previous results. Our…

等离子体物理 · 物理学 2015-06-12 Chuanfei Dong , Nagendra Singh

Ideal MHD provides an accurate description of low-frequency Alfv\'en waves in fully ionized plasmas. However, higher frequency waves in many plasmas of the solar atmosphere cannot be correctly described by ideal MHD and a more accurate…

太阳与恒星天体物理 · 物理学 2016-12-07 David Martínez-Gómez , Roberto Soler , Jaume Terradas

The dynamics of temporally modulated plasma boundary sheaths is studied in the intermediate radio frequency regime where the applied radio frequency and the ion plasma frequency are comparable. Two kinetic simulation codes are employed and…

等离子体物理 · 物理学 2015-06-16 M. Shihab , A. T. Elgendy , I. Korolov , A. Derzsi , J. Schulze , D. Eremin , T. Mussenbrock , Z. Donkó , R. P. Brinkmann

We demonstrate steady-state, mirrorless superradiance in a cold vapor pumped by weak optical fields. Beyond a critical pump intensity of 1 mW/cm$^2$, the vapor spontaneously transforms into a spatially self-organized state: a density…

原子物理 · 物理学 2015-06-04 Joel A. Greenberg , Daniel J. Gauthier

We address an experimental observation of pattern formation in a magnetised rf plasma. The experiments are carried out in a electrically grounded aluminium chamber which is housed inside a rotatable superconducting magnetic coil. The plasma…

等离子体物理 · 物理学 2016-04-20 P. Bandyopadhyay , D. Sharma , U. Konopka , G. Morfill

An experimental study of Ion Acoustic (IA) wave propagation is performed to investigate the effect of neutral density for argon plasma in an unmagnetized linear plasma device. The neutral density is varied by changing the neutral pressure,…

Recently, several eclipsing millisecond pulsars have been shown to experience strong and apparent weak lensing from the outflow of their ionized companions. Lensing can be a powerful probe of the ionized plasma, with the strongest lenses…

高能天体物理现象 · 物理学 2022-12-07 Fang Xi Lin , Robert Main , Dylan Jow , Dongzi Li , Ue-Li Pen , Marten H. van Kerkwijk

An peculiar microwave quasi-periodic pulsation (QPP) accompanying with a hard X-ray (HXR) QPP of about 20 s duration occurred just before the maximum of an X6.9 solar flare on 2011 August 9. The most interesting is that the microwave QPP is…

太阳与恒星天体物理 · 物理学 2015-06-04 Baolin Tan , Chengming Tan

The excitation and evolution of Korteweg-de Vries (KdV) solitons in a dusty plasma medium are studied using Molecular Dynamics (MD) simulations. The dusty plasma medium is modelled as a collection of dust particles interacting through…

等离子体物理 · 物理学 2018-04-18 Sandeep Kumar , Sanat Kumar Tiwari , Amita Das

The plasma composition of the solar corona is different from that of the solar photosphere. Elements that have a low first ionisation potential (FIP) are preferentially transported to the corona and, therefore, show enhanced abundances in…

We study the viscosity and thermodynamic properties of QGP at RHIC by employing the recently extracted equilibrium distribution functions from two hot QCD equations of state of $O(g^5)$ and $O(g^6\ln(1/g))$ respectively. After obtaining the…

核理论 · 物理学 2011-07-19 Vinod Chandra , V. Ravishankar

We have carried out extensive equilibrium molecular dynamics (MD) simulations to study the structure and the interfacial properties in the liquid-vapor (LV) phase coexistence of partially miscible binary Lennard-Jones (LJ) mixtures. By…

软凝聚态物质 · 物理学 2009-11-10 Enrique Díaz-Herrera , José A. Moreno-Razo , Guillermo Ramírez-Santiago