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Sunday, May 10, 2020 | History

2 edition of Instabilities of Relativistic Electron Beams in Plasmas found in the catalog.

Instabilities of Relativistic Electron Beams in Plasmas

Valery B. Krasovitskii

Instabilities of Relativistic Electron Beams in Plasmas

by Valery B. Krasovitskii

  • 74 Want to read
  • 5 Currently reading

Published by Nova Science Pub Inc .
Written in English

    Subjects:
  • Physics,
  • Science,
  • Particle beam instabilities,
  • Particles, Relativistic,
  • Plasma electrodynamics,
  • Science/Mathematics

  • The Physical Object
    FormatHardcover
    ID Numbers
    Open LibraryOL12503606M
    ISBN 101600215157
    ISBN 109781600215155

    Relativistic electron b eam effects on the hole acoustic instability in degenerate semiconductor p lasmas. Muhammad Siddique, University Faisalabad, Pakistan. P Theoretical issues in modelling ion cyclotron emission associated with transient events in magnetically confined plasmas Bernard Reman, University of Warwick, UK. P The expansion model we used to find the electron and ion temperatures for these two plasmas tends to overestimate the electron temperature at the very early times (Gupta et al., a). Thus we would expect the actual electron temperature to be lower, corresponding to larger values of κ, as suggested by the arrows in the plot.

    Resources Overview | References | Sites Worldwide | Outreach & Education | Topics: Plasma Physics Fusion Space Technology Computational Special General Public. P. I. John, Plasma Sciences and the Creation of Wealth, Tata-McGraw-Hill, New Delhi, Yaffa & Shalom Eliezer, The Fourth State of Matter, Hilger, Bristol, (2nd edition, ). This section discusses the behavior of laser beams in plasmas. This is the domain of self-focusing of the laser beams in plasmas of high or moderate density dominated again by the nonlinear force or by relativistic effects. At low densities, the nonlinear forces will expel the plasma out of the beam which results in interesting measurements.

    Unique diagnostic systems have been developed capable of measuring ion beams and plasmas on very short time scales and in extremely hostile radiation environments, including the measurement of high ion beam intensities (â MA/cm2, 1â 12 MV, 1â 5 TW/ cm2) using elastic scattering and characteristic x-ray line emission. TABLE 1. Advances in non-neutral plasmas (the last column indicates ref- erences in the text). Brillouin equilibrium 1 Beams in microwave tubes 3,4, Hyperbolic ion trap 14 Relativistic beam equilibria 9 Book on non-neutral plasmas 12 Cylindrical electron trap 22,


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Instabilities of Relativistic Electron Beams in Plasmas by Valery B. Krasovitskii Download PDF EPUB FB2

The development and interaction of Bursian and diocotron instabilities in an annular relativistic electron beam propagating in a cylindrical drift chamber are investigated analytically and.

Two-dimensional electromagnetic particle-in-cell simulations are performed to investigate the transport of relativistic electron beams co-moved with a proton beam in background plasmas. Relativistic electron beam propagation in plasma is fraught with several micro instabilities like two stream, filamentation, etc., in plasma.

This results in severe limitation of the electron transport through a plasma medium. Recently, however, there has been an experimental demonstration of. We present the linear evolution in space-time of electromagnetic instabilities generated by relativistic beam-type electron distribution functions that characterize highly anisotropic electron plasmas.

The plasma is assumed to be infinite, homogeneous and in a static, uniform magnetic field (antiB/sub 0/).Cited by: 1. The stability of a plasma is an important consideration in the study of plasma maisonneuve-group.com a system containing a plasma is at equilibrium, it is possible for certain parts of the plasma to be disturbed by small perturbative forces acting on maisonneuve-group.com stability of the system determines if the perturbations will grow, oscillate, or be damped out.

In many cases, a plasma can be treated as a fluid. Electromagnetic effects excited by intense relativistic electron beams in plasmas are investigated using a two‐dimensional particle code. The simulations with dense beams show large magnetic fields excited by the Weibel instability as well as sizeable electromagnetic radiation over a significant range of frequencies.

The possible relevance of beam plasma instabilities to the laser Author: W. Kruer, A. Langdon. The fully relativistic plasmas generated during the interaction of multi-TW laser pulses are now seriously considered as a brilliant source of GeV electrons, MeV ions, as well as versatile photon beams.

The resulting ion beams show several remarkable characteristics such as very low emittance and ultra-high peak currents, while requiring. Abstract Theoretical and practical aspects of charged-particle beam devices are discussed in an introductory text and reference guide.

Topics addressed include the phase-space description of charged-particle beams, beam emittance, beam-generated forces, electron and ion guns, high-power pulsed electron and ion diodes, paraxial beam transport with space charge, and high-current electron-beam. full array of phenomena associated with HED beam-plasma interactions is not the intent of this report, but the committee believes that the information provided will give the reader some idea of the wealth of phenomena associated with beams in plasmas.

Oct 01,  · Physics of Nonneutral Plasmas is a graduate-level text — complete with assigned problems and the results from several classic experiments — which covers a broad range of topics related to the fundamental properties of collective processes and nonlinear dynamics of one-component and multispecies charged particle systems in which there is.

Brillouin equilibrium of a cylindrical electron beam Interaction of electrons with matter Foil focusing of relativistic electron beams Wall-charge and return-current for a beam in a pipe Drifts of electron beams in a solenoidal field Guiding electron beams with solenoidal fields The diocotron instability (also called the slipping stream plasma instability), is “one of the most ubiquitous instabilities in low density nonneutral plasmas with shear in the flow velocity [.

that can.] occur in propagating non-neutral electron beams and layers”. It may give rise to electron vortices, which resembles the Kelvin-Helmholtz fluid dynamical shear instability, and occurs.

26) Beam Instabilities as a Result of Active Coupling between Waves of Different Signs of Energy (Theory) (starting p. 49) Electron, Ion and Plasma Beams in Laboratory Plasma (starting p. 67) Experimental Data on Instabilities and Limiting Currents of Electron, Ion and Plasma Beams.

Mechanisms of Current Limitation (Disruption) in. The Weibel instability is a plasma instability present in homogeneous or nearly homogeneous electromagnetic plasmas which possess an anisotropy in momentum (velocity) space.

This anisotropy is most generally understood as two temperatures in different directions. Burton Fried showed that this instability can be understood more simply as the superposition of many counter-streaming beams.

Physics of Intense Beams in Plasmas is a comprehensive description of the interaction between extremely intense particle beams and plasmas.

The emphasis is on experimental beam-plasma physics, but the necessary theory is also explained-much of which is.

Stability of Intense Nonneutral Ion and Electron Beams. Resistive Hose Instability for Intense Electron Beam Propagation Through a Background Plasma. Resistive Sausage and Hollowing Instabilities for Intense Electron Beam Propagation Through a Background Plasma.

Chapter 9 References. Oct 12,  · The Alfvén-Lawson criterion for relativistic electron beams is revised. The parameter range is found, in which a stationary beam can carry arbitrarily large current, regardless of Cited by: 6.

Jun 17,  · Transport of electron beams is important for many applications, such as generation of electromagnetic radiation in the microwave, optical, x- and γ-ray regimes, fast ignition (FI) of inertial confinement fusion (ICF), and target normal sheath acceleration (TNSA) of ions [1–6].Author: R Li, C T Zhou, M Y Yu, M Y Yu, S C Ruan, X T He, X T He.

Electrostatic instabilities in current-carrying and counterstreaming plasmas. T E Stringer. Journal of Nuclear Energy. Part C, Plasma Physics, Interaction of a high‐current relativistic electron beam with a dense plasma Numerical Simulation of Electrostatic Counterstreaming Instabilities in Ion Beams.

Physics of Intense Beams in Plasmas is a comprehensive description of the interaction between extremely intense particle beams and plasmas. The emphasis is on experimental beam-plasma physics, but the necessary theory is also explained-much of which is innovative and original. Central to the book is.

However, for intense laser beams one should obtain new expressions for the relativistic ponderomotive force, which are totally absent from this book. Furthermore, in laser plasma interactions strong magnetic fields are produced which will drastically modify the relativistic ponderomotive force expressions.Abstract.

The review of results of investigations, carried out during last 30 years in GPI, on fundamental physical processes and applications of plasmas generated by long-pulse non-relativistic electron beams, as well as by high-current, short pulse relativistic electron beams (REB) is maisonneuve-group.com: M.

V. Kuzelev, G. P. Mkheidze, A. A. Rukhadze, P. S. Strelkov, A. G. Shkvarunets.Arial Franklin Gothic Medium Franklin Gothic Book Wingdings 2 Calibri Trek 1_Trek 2_Trek 3_Trek 4_Trek 5_Trek 6_Trek 7_Trek 8_Trek FilamenTATION INSTABILITIES IN RELATIVISTIC PLASMA Table of contents Gamma ray bursts GRB afterglow Afterglow model Afterglow model – cont’d Afterglow model – cont’d Afterglow model – cont’d Synchrotron.