Dynamics of Relativistic Solitary Structures in Laser Plasma Interaction PDF Download
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Author: Götz Alexander Lehmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 111
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Author: Götz Alexander Lehmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 111
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Author: Gtz Lehmann
Publisher: Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN: 9783838104546
Category :
Languages : de
Pages : 160
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Book Description
The interaction of relativistically intense laser radiation with plasma is rich in nonlinear processes like laser pulse self-modulation and self-focusing, wake-field excitation, wave-breaking and the creation of relativistic solitary structures. The creation and evolution of solitary structures during relativistic laser-plasma-interaction is discussed in this book. A relativistic Maxwell-fluid model is formulated to investigate these solitary structures. We discuss the creation of pre-solitons and their transition to post-solitons. The longitudinal and transversal stability of stationary soliton solutions to the Maxwell-fluid model are examined by numerical linear stability analysis. The transversal instability is identified to be the dominant process. Relativistic electrostatic wave-breaking often is part of the nonlinear evolution of unstable relativistic solitons. A process that will eventually lead to wave-breaking for every electrostatic wave in a cold relativistic plasma is presented. The formalism allows a generalization of known criteria to the relativistic regime and to estimate the breaking time.
Author: Vladimir .I. Petviashvili
Publisher: Routledge
ISBN: 1134307748
Category : Science
Languages : en
Pages : 263
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Book Description
First Published in 1992. This book arose as a result of the authors work on the review ‘Solitary Vortices in Plasmas’ written for the Soviet Journal of Plasma Physics. With the development of nonlinear wave theory some novel concepts came into use, such as solitary waves, solitary vortices, and solitons. There is still some inconsistency in the use of these terms. The study of solitary waves (solitons) should ultimately lead to a better understanding of the internal structure of elementary particles. That is why solitons are attracting great attention from physicists and mathematicians. The material presented in this book shows that solitons are also of interest in plasma physics and geophysics, where these concepts have many important applications.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 892
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![Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics PDF](https://books.google.com/books/content/images/frontcover/_A4wAQAAIAAJ?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Plasma (Ionized gases)
Languages : en
Pages : 558
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Author: David James Stark
Publisher:
ISBN:
Category :
Languages : en
Pages : 188
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The nature of how light interacts with plasma is fundamentally altered when the bulk of the electrons become relativistic, manifested as an enhanced transparency of the plasma. Three dimensional particle-in-cell simulations demonstrate that this enhanced transparency of a relativistically hot plasma is sensitive to how the energy is partitioned between different degrees of freedom. For an anisotropic electron distribution, propagation characteristics, like the critical density, will depend on the polarization of the electromagnetic wave. Despite the onset of the Weibel instability in such plasmas, the anisotropy can persist long enough to affect laser propagation. This plasma can then function as a polarizer or a wave plate to dramatically alter the pulse polarization. We further demonstrate using numerical simulations that a high intensity laser pulse propagating through a classically overcritical, relativistically transparent plasma can generate a strong azimuthal magnetic field, leading to copious quantities of synchrotron radiation. An optimal channel setup is proposed and tested to produce a collimated beam of multi-MeV photons.
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 616
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Author: Mohammed Almassarani
Publisher:
ISBN:
Category :
Languages : de
Pages : 0
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In this dissertation, we explore two major themes related to intense laser-matter interaction. Firstly, we present a comprehensive characterization of the intense THz light and charged particle emission from the rear surface of thin targets during the interaction with ultrashort laser pulses. Secondly, we report the first direct visualization of the Coulomb field of relativistic electron bunches from laser-thin solid interactions on a sub-picosecond timescale. We introduce a novel non-destructive single-shot detection scheme based on the electrooptic principle. Our time-resolved measurements reveal a complex temporal structure with multiple electron bunches propagating at nearly the speed of light. Moreover, our observations confirm the contraction of the electric field of the relativistic electron bunches under the Lorentz transformation. Further, we demonstrate the spatiotemporal evolution of the Coulomb field wavefronts as the electron bunches propagate away from the target. This work paves the way for non-invasive measurements of fast dynamics of charged particles on sub-picosecond timescales.
Author: Julia Maria Schweitzer
Publisher:
ISBN:
Category :
Languages : en
Pages : 102
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Author: Patrick Heißler
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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