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Characteristic properties of secondary electrons emitted from irradiated two-dimensional materials arise from multi-length and time-scale relaxation processes that connect the initial non-equilibrium excited electron distribution with their…

Langmuir probe techniques have been used to study time and spatially resolved electron densities and electron temperatures in pulse-modulated hydrogen discharges in two different planar microwave reactors (fmicrowave= 2.45 GHz, tpulse= 1…

Plasma Physics · Physics 2009-11-07 A. Rousseau , E. Teboul , N. Lang , M. Hannemann , J. Röpcke

By means of a particle-in-cell (PIC) simulation, we study the interaction between a uniform magnetized ambient electron-proton plasma at rest and an unmagnetized pair plasma, which we inject at one simulation boundary with a mildly…

High Energy Astrophysical Phenomena · Physics 2024-06-19 M E Dieckmann , D Folini , R Walder , A Charlet , A Marcowith

Particle acceleration using ultraintense, ultrashort laser pulses is one of the most attractive topics in relativistic laser-plasma research. We report proton/ion acceleration in the intensity range of 5x1019 W/cm2 to 3.3x1020 W/cm2 by…

In multi-electrode detectors, the motion of excess carriers generated by ionizing radiation induces charge pulses at the electrodes, whose intensities and polarities depend on the geometrical, electrostatic and carriers transport properties…

Materials Science · Physics 2013-12-18 J. Forneris , V. Grilj , M. Jaksic , P. Olivero , F. Picollo , N. Skukan , C. Verona , G. Verona-Rinati , E. Vittone

We have experimentally investigated the spectral characteristics and spatial structure of femtosecond pulses from a titanium:sapphire laser during filamentation in an optical cell filled with argon at pressures up to 40 atm under pressure…

We have studied the statistical and polarization properties of giant pulses (GPs) emitted by the millisecond pulsar B1937+21, with high sensitivity and time resolution. The observations were made in June 2005 with the 100-m Robert C. Byrd…

High Energy Astrophysical Phenomena · Physics 2015-06-12 V. I. Zhuravlev , M. V. Popov , V. A. Soglasnov , V. I. Kondrat'ev , Y. Y. Kovalev , N. Bartel , F. Ghigo

Dynamics is studied of an electron in a quasi-one-dimensional ballistic ring under circularly polarized electromagnetic field propagating along the normal to the ring plane. The average emission intensity from the ring is calculated. The…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 E. M. Epshtein , E. G. Fedorov , G. M. Shmelev

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

A low pressure discharge sustained in molecular hydrogen with help of the electron cyclotron resonance heating at a frequency of 2.45 GHz is simulated using a fully electromagnetic implicit charge- and energy-conserving…

Studies of charge-charge (ion-ion, ion-electron, and electron-electron) coupling properties for ion impurities in an electron gas and for a two component plasma are carried out on the basis of a regularized electron-ion potential without…

Atmospheric pressure arcs have recently found application in the production of nanoparticles. Distinguishing features of such arcs are small length and hot ablating anode characterized by intensive electron emission and radiation from its…

Plasma Physics · Physics 2019-05-30 A. Khrabry , I. Kaganovich , V. Nemchinsky , A. Khodak

The features of electric transport in the powder samples consisting of the nanosize 2D-MoS2 flakes with different number of layers have been studied under the conditions of uniaxial pressure. There have been measured current-voltage…

Mesoscale and Nanoscale Physics · Physics 2024-07-29 V. V. Vainberg , O. S. Pylypchuk , V. N. Poroshin , M. V. Olenchuk , G. I. Dovbeshko

We present a new method to calculate the polarised synchrotron emission of radio AGN sources using magnetic field information from 3-dimensional relativistic magnetohydrodynamical (RMHD) simulations. Like its predecessor, which uses…

High Energy Astrophysical Phenomena · Physics 2025-09-30 Larissa Jerrim , Stas Shabala , Patrick Yates-Jones , Martin Krause , Ross Turner , Georgia Stewart , Chris Power

In order to improve the quality of thin film deposition by magnetron discharges, particularly by an effective ionization of the sputtered vapor, we developed an ionized physical vapor deposition method based on pre-ionized pulsed magnetron…

Plasma Physics · Physics 2019-06-25 Mihai Ganciu

The long-standing assumption of symmetric radio emission beams from the two magnetic poles of pulsars is challenged by observational evidence of asymmetry and underfill. Direct testing of this symmetry remains difficult for most pulsars. As…

High Energy Astrophysical Phenomena · Physics 2026-05-01 Xiancong Wu , Hongguang Wang , Hao Tong , Rui Luo , Pengfei Wang , Chengbing Lyu , Hai Lei

The results of experimental investigations of the ejection of electrons from gas-discharge nonneutral electron plasma at interaction of vortex structures have been given. The periodical approach of vortex structures causes the ejection of…

Plasma Physics · Physics 2015-09-01 N. A. Kervalishvili

Observations of emission lines in Active Galactic Nuclei (AGN) often find fast (~1000 km s^-1) outflows extending to kiloparsec scales, seen in ionised, neutral atomic and molecular gas. In this work we present radiative transfer…

Astrophysics of Galaxies · Physics 2021-03-10 Alexander J. Richings , Claude-Andre Faucher-Giguere , Jonathan Stern

A simple model and method is proposed here to determine argon metastable number densities and electron temperature with the assumption of a Maxwell-Boltzmann electron energy distribution. This method is based on the availability of…

Plasma Physics · Physics 2010-03-16 Davide Mariotti , Yoshiki Shimizu , Takeshi Sasaki , Naoto Koshizaki

We present a thermodynamic description of ultracold gases with dipolar interactions which properly accounts for the long-range nature and broken rotation invariance of the interactions. It involves an additional thermodynamic field…

Quantum Gases · Physics 2025-07-16 Wilhelm Zwerger
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