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Packed bed plasma reactors (PBPRs) inherently have complex geometries where the volume between the electrodes is filled with dielectric/catalytic pellets to form an array of voids and cavities. This design generates multiple length scales…

Plasma Physics · Physics 2020-11-10 Zaka-ul-islam Mujahid , Julian Schulze

A new type of pulse high voltage electric discharge through a thin conducting layer on the surface of glass plate has been investigated. The afterglow plasma of this discharge forms quasi-spherical object with a lifetime about 0.2-0.3 s.…

Plasma Physics · Physics 2007-05-23 A. L. Pirozerski , S. E. Emelin

One of the fundamental problems is the understanding of physics of electrostatic and electromagnetic fluctuations in multi-scale plasma turbulence. Especially so, in continuously connected plasma regions with varying degree of…

Plasma Physics · Physics 2018-05-09 A. D. Patel , M. Sharma , N. Ramasubramanian , R. Ganesh , P. K. Chattopadhyay

We obtain predictions for the properties of cold dark matter annihilation radiation using high resolution hydrodynamic zoom-in cosmological simulations of Milky Way-like galaxies (APOSTLE project) carried out as part of the "Evolution and…

The one dimensional (1D) driven quantum coupled pseudoforce system governing the dynamics of collective Langmuir electron oscillations is used in order to investigate the effects of variety of space charge distributions on plasmon…

Plasma Physics · Physics 2019-03-27 M. Akbari-Moghanjoughi

Aluminum monochloride (AlCl) has been proposed as a promising candidate for laser cooling to ultracold temperatures, and recent spectroscopy results support this prediction. It is challenging to produce large numbers of AlCl molecules…

Averaged plasma parameters such as electron distribution function and electron density are determined by characterization of high frequency (2.4 GHz) nitrogen-plasma using both experimental methods, namely optical emission spectroscopy…

Plasma Physics · Physics 2012-02-16 Priyadarshini Rajasekaran , Cornelia Ruhrmann , Nikita Bibinov , Peter Awakowicz

The free electron model with Boltzmann statistics for spherical low-density plasmas (Scientific Reports 9. 20384, 2019) is developed further by numerical calculations with asymptotic relations obtaining the density of electrons, mass…

General Physics · Physics 2021-03-10 Y. Ben-Aryeh

A method of determining boundary conditions for quasi 1-D modeling of steady-state operation of a Hall Thruster with ceramic channel is presented. For a given mass flow rate and magnetic field profile the imposed condition of a smooth sonic…

Plasma Physics · Physics 2007-05-23 L. Dorf , V. Semenov , Y. Raitses , N. J. Fisch

We use N-body simulations to investigate the structure of dark halos in the standard Cold Dark Matter cosmogony. Halos are excised from simulations of cosmologically representative regions and are resimulated individually at high…

Astrophysics · Physics 2008-11-26 Julio F. Navarro , Carlos S. Frenk , Simon D. M. White

This work builds upon previous studies of nonlinear dynamics in low-pressure capacitively coupled radio-frequency discharges, focusing on the electron power absorption mechanism in discharges with various geometric asymmetries. We present a…

Plasma Physics · Physics 2025-04-29 Katharina Noesges , Thomas Mussenbrock

Pattern discharge is a common mode in dielectric barrier discharge (DBD) and has broad application prospects in various industrial fields, such as material surface treatment, environmental monitoring, and biomedical applications. In this…

Plasma Physics · Physics 2026-01-13 Tian Shuang , Zhang Han , Zhang Xi , Zhang Xuexue , Li Qing , Li Xuecehng , Run Junxia

The dark rate of single-electrons emitted from a cathode of a multi-cathode counter may be interpreted as the effect from Hidden Photons (HPs) of Cold Dark Matter (CDM). As a tentative approach the measurements have been performed at…

Instrumentation and Detectors · Physics 2018-04-10 A. V. Kopylov , I. V. Orekhov , V. V. Petukhov

We study the diffuse background free-free emission induced by dark matter halos. Since dark matter halos host ionized thermal plasma, they could be an essential source of cosmological free-free emission. We evaluate the global background…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-30 Katsuya T. Abe , Hiroyuki Tashiro

In the standard cosmological model a mysterious cold dark matter (CDM) component dominates the formation of structures. Numerical studies of the formation of CDM halos have produced several robust results that allow unique tests of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Jürg Diemand , Ben Moore

The LHC may produce light, weakly-interacting particles that decay to dark matter, creating an intense and highly collimated beam of dark matter particles in the far-forward direction. We investigate the prospects for detecting this dark…

High Energy Physics - Phenomenology · Physics 2021-09-01 Brian Batell , Jonathan L. Feng , Ahmed Ismail , Felix Kling , Roshan Mammen Abraham , Sebastian Trojanowski

Plasma electrolytic oxidation (PEO) processing of EV 31 magnesium alloy has been carried out in fluoride containing electrolyte under bipolar pulse current regime. Unusual PEO cathodic micro-discharges have been observed and investigated.…

Applied Physics · Physics 2019-02-27 A. Nominé , J. Martin , C. Noel , G. Henrion , T. Belmonte , I. Bardin , V. Kovalev , A. Rakoch

Hot electrons and holes generated from the decay of localized surface plasmons (LSPs) in aluminum nanostructures have significant potential for applications in photocatalysis, photodetection and other optoelectronic devices. Here, we…

Optics · Physics 2025-11-03 Gengyue Dong , Simão João , Hanwen Jin , Johannes Lischner

Large-amplitude current-driven instabilities in hollow cathode plumes can generate energetic ions responsible for cathode sputtering and spacecraft degradation. A 2D2V (two dimensions each in configuration [D] and velocity [V] spaces)…

Dielectric barrier discharges (DBDs) are widely used in applications such as ozone generation and volatile organic compound treatment, where performance can be enhanced through catalyst integration. A fundamental understanding of reactive…