English
Related papers

Related papers: Electrostatic Model for Antenna Signal Generation …

200 papers

The metasurface concept has emerged as an advantageous reconfigurable antenna architecture for beam forming and wavefront shaping, with applications that include satellite and terrestrial communications, radar, imaging, and wireless power…

Applied Physics · Physics 2017-12-06 David R. Smith , Okan Yurduseven , Laura Pulido Mancera , Patrick Bowen , Nathan B. Kundtz

The control of the spatial distribution of micrometer-sized dust particles in capacitively coupled radio frequency discharges is relevant for research and applications. Typically, dust particles in plasmas form a layer located at the sheath…

The omnipresence of dust particulates in space and astrophysical plasmas has been attracting numerous researchers to study the collective excitation and propagation dynamics of different eigen-mode structures in diversifed astrocosmic…

Plasma Physics · Physics 2022-11-16 Souvik Das , Ahmed Atteya , Pralay Kumar Karmakar

Aims. An asymmetric dust cloud was detected around the Moon by the Lunar Dust Experiment on board the Lunar Atmosphere and Dust Environment Explorer mission. We investigate the dynamics of the grains that escape the Moon and their…

Earth and Planetary Astrophysics · Physics 2022-04-05 Kun Yang , Jürgen Schmidt , Weiming Feng , Xiaodong Liu

Context. Most of the modelling of interstellar dust infrared emission spectrum is done by assuming some variations around a single temperature greybody approximation. For example, the foreground modelling of Planck mission maps involves a…

Astrophysics of Galaxies · Physics 2022-03-14 François-Xavier Désert

An analytical model is presented for the description of nonlinear dust-ion-acoustic waves propagating in an unmagnetized, collisionless, three component plasma composed of electrons, ions and inertial dust grains. The formulation relies on…

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

Interstellar dust (ISD) particles penetrate the solar system due to the relative motion of the Sun and the local interstellar cloud. Before entering the heliosphere, they pass through the heliospheric interface - the region of the solar…

Solar and Stellar Astrophysics · Physics 2023-11-02 E. A. Godenko , V. V. Izmodenov

The infuence of the conduction-electron spin magnetization density, induced in a two-dimensional electron layer by a microwave electromagnetic field, on the rejection and transmission of the field is considered. Because of the induced…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Victor M. Edelstein

The ESA meteoroid model predicts impacts of meteoroids in the mass range between $10^{-18}$ to $10^0$ g on spacecraft surfaces. It covers heliocentric distances from 0.3 to 20 AU. Measurements of the dust detector on board the highly…

Astrophysics · Physics 2007-05-23 M. Landgraf , R. Jehn , N. Altobelli , V. Dikarev , E. Grün

Dust clouds influence the atmospheric structure of brown dwarfs, and they affect the heat transfer and change the gas-phase chemistry. However, the physics of their formation and evolution is not well understood. In this letter, we predict…

Astrophysics · Physics 2016-08-30 CH. Helling , W. -F. Thi , P. Woitke , M. Fridlund

Electromagnetic Interference that is created by any methods can have an important effect on electronic and telecommunication devices. Thus, the effect of electromagnetic waves on communication systems is particularly important. Nowadays,…

Applied Physics · Physics 2023-05-31 Atefe Akbari-Bardaskan

We derive a two-dimensional symplectic map for particle motion at the plasma edge by modeling the electrostatic potential as a superposition of integer spatial harmonics with relative phase shift, then reduce it to a two-wave model to study…

Plasma Physics · Physics 2026-02-10 L. F. B. Souza , Y. Elskens , R. Egydio de Carvalho , I. L. Caldas

Vibrational modes and instabilities of a dust particle pair in a terrestrial laboratory complex plasma are investigated employing an analytical method whereby the plasma wakefield induced by an external electric field is modeled using an…

Plasma Physics · Physics 2015-05-20 Ke Qiao , Lorin Matthews , Truell W. Hyde

An analytical function for the spectrum of spinning dust emission is presented. It is derived through the application of careful approximations, with each step tested against numerical calculations. This approach ensures accuracy while…

Astrophysics of Galaxies · Physics 2015-06-18 Matthew Stevenson

The role of kinetic electrons in the excitation and sustainment of ion-bulk electrostatic waves in collisionless plasmas is investigated, with a focus on the physical mechanisms responsible for the generation of small-scale structures in…

- We made use of a combination of three models that describe plasma equilibrium, cluster kinetics and aerosol dynamics in order to investigate solid carbonaceous dust formation in a DC gas discharge where the carbon source is provided by a…

Plasma Physics · Physics 2017-02-06 Armelle Michau , Khaled Hassouni , Cécile Arnas , Guillaume Lombardi

Previously we presented a numerical model that predicts trajectories of lunar dust, soil, and gravel blown by the engine exhaust of a lunar lander. The model uses the gas density, velocity vector field, and temperature predicted by…

Fluid Dynamics · Physics 2021-04-14 John E. Lane , Philip T. Metzger , Jeffrey W. Carlson

We study the effect of the velocity distributions of the plasma particles on the equilibrium charge of dust particles which suffer collisional charging, considering different forms of both isotropic and anisotropic Kappa distributions for…

Plasma Physics · Physics 2025-09-25 Luiz Fernando Ziebell , Rudi Gaelzer

We present self-consistent dynamical models for dust-driven winds of carbon-rich AGB stars. The models are based on the coupled system of frequency-dependent radiation hydrodynamics and time-dependent dust formation. We investigate in…

Astrophysics · Physics 2009-04-17 A. C. Andersen , S. Hoefner , R. Gautschy-Loidl

The dust produced by the first generation of stars will be a foreground to cosmic microwave background. In order to evaluate the effect of this early dust, we calculate the power spectrum of the dust emission anisotropies and compare it…

Astrophysics · Physics 2009-06-23 Erik Elfgren , Francois-Xavier Désert , Bruno Guiderdoni
‹ Prev 1 3 4 5 6 7 10 Next ›