Electromagnetic wave propagation and minimizing energy losses in a rectangular waveguide filled with inhomogeneous movable plasma under the effect of a relativistic electron beam
Sign Up to like & getrecommendations! Published in 2019 at "Indian Journal of Physics"
DOI: 10.1007/s12648-019-01544-1
Abstract: An analytical study is carried on the dispersion properties of a rectangular waveguide filled with warm and cold inhomogeneous magnetized movable plasma. A relativistic electron beam (REB) is considered as the only mechanism for controlling… read more here.
Keywords: electron beam; plasma; rectangular waveguide; relativistic electron ... See more keywords
The relativistic all-electron ab initio calculations on the multiplet electronic structure of U3+ ion
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2020.110781
Abstract: Abstract The relativistic all-electron ab initio calculations have been performed on 5f3 manifold of free U3+ ion to explore the electronic structure and spectra. The spin-orbit-free low lying electronic states have been calculated at the… read more here.
Keywords: electron initio; electronic structure; initio calculations; electron ... See more keywords
Dynamics of positrons during relativistic electron runaway
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377818001010
Abstract: Sufficiently strong electric fields in plasmas can accelerate charged particles to relativistic energies. In this paper we describe the dynamics of positrons accelerated in such electric fields, and calculate the fraction of created positrons that… read more here.
Keywords: production; dynamics positrons; electron runaway; positrons relativistic ... See more keywords
Radiation Dose During Relativistic Electron Precipitation Events at the International Space Station
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DOI: 10.1029/2019sw002280
Abstract: We provide a quantitative estimate of the radiation dose during relativistic electron precipitation (REP) events at the International Space Station (ISS). To this goal, we take advantage of the data collected by the CALorimetric Electron… read more here.
Keywords: radiation dose; relativistic electron; dose relativistic; space ... See more keywords
Relativistic electron-beam assisted growth of oscillating two-stream instability of a plasma wave
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4985319
Abstract: Analytical formulism of oscillating two-stream instability of a plasma wave has been revisited by incorporating the effect of a relativistic electron-beam. A large-amplitude plasma wave may be susceptible to oscillating two-stream instability by decaying in… read more here.
Keywords: beam; growth; electron beam; instability ... See more keywords
Self-similar amplification and self-compression of short microwave pulses during Cherenkov-type interaction with relativistic electron beams
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/5.0008252
Abstract: This paper reports the results of studies of super-radiance pulse amplification in the case of Cherenkov interaction of a relativistic electron beam with a traveling electromagnetic wave. 1D Nonstationary (time-domain) nonlinear models of a Cherenkov… read more here.
Keywords: self similar; interaction relativistic; electron; amplification ... See more keywords
Unified quasi-optical theory of short-wavelength radiation amplification by relativistic electron beams moving near the impedance surfaces
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/5.0030914
Abstract: We combine impedance approximation with a quasi-optical approach to describe the amplification of short-wavelength radiation by rectilinear relativistic electron beams (REBs) moving near the impedance surfaces. We consider a number of physical systems in which… read more here.
Keywords: quasi optical; short wavelength; impedance; relativistic electron ... See more keywords
Characteristics of ordinary mode in fully relativistic electron plasma
Sign Up to like & getrecommendations! Published in 2020 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/ab8133
Abstract: Propagation characteristics (resonances, propagation regions, and cutoffs) of ordinary waves (perpendicularly propagating electromagnetic waves) are studied in a relativistic electron plasma by using the kinetic model. The dispersion relation for the ordinary mode (O-mode) in… read more here.
Keywords: electron plasma; ordinary mode; plasma; relativistic electron ... See more keywords
Relativistic electron kinetic effects on laser diagnostics in burning plasmas
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/13/02/c02009
Abstract: Toroidal interferometry/polarimetry (TIP), poloidal polarimetry (PoPola), and Thomson scattering systems (TS) are major optical diagnostics being designed and developed for ITER. Each of them relies upon a sophisticated quantitative understanding of the electron response to… read more here.
Keywords: effects laser; electron kinetic; kinetic effects; electron ... See more keywords
Generation of Ramped Current Profiles in Relativistic Electron Beams Using Wakefields in Dielectric Structures.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.054802
Abstract: Temporal pulse tailoring of charged-particle beams is essential to optimize efficiency in collinear wakefield acceleration schemes. In this Letter, we demonstrate a novel phase space manipulation method that employs a beam wakefield interaction in a… read more here.
Keywords: generation ramped; relativistic electron; ramped current; profiles relativistic ... See more keywords
Breaking of two-dimensional relativistic electron oscillations under small deviations from axial symmetry
Sign Up to like & getrecommendations! Published in 2017 at "Computational Mathematics and Mathematical Physics"
DOI: 10.1134/s0965542517110069
Abstract: A numerical asymptotic model for the breaking of two-dimensional plane relativistic electron oscillations under a small deviation from axial symmetry is developed. The asymptotic theory makes use of the construction of time-uniformly applicable solutions to… read more here.
Keywords: axial symmetry; two dimensional; breaking two; electron oscillations ... See more keywords