Polarization and Interference Effects in Radiation Processes PDF Download
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Author: V. A. Astapenko
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 206
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Book Description
This review presents results of recent investigations concerning the polarization and interference effects that arise in radiation processes such as Bremsstrahlung on targets with electron core, photo-effects in bichromatic electromagnetic field, femtosecond photon echo in nanocrystals, and associated phenomena. Some ideas are applied to the calculation of the cross section of atomic ionization by electron impact in the Born-Compton approximation. The results can be used for analyzing the radiation phenomena in plasmas in a wide temperature range including storage ring plasma.
Author: V. A. Astapenko
Publisher:
ISBN:
Category : Astrophysics
Languages : en
Pages : 206
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Book Description
This review presents results of recent investigations concerning the polarization and interference effects that arise in radiation processes such as Bremsstrahlung on targets with electron core, photo-effects in bichromatic electromagnetic field, femtosecond photon echo in nanocrystals, and associated phenomena. Some ideas are applied to the calculation of the cross section of atomic ionization by electron impact in the Born-Compton approximation. The results can be used for analyzing the radiation phenomena in plasmas in a wide temperature range including storage ring plasma.
Author: Alexander Potylitsyn
Publisher: Springer Science & Business Media
ISBN: 3642125123
Category : Science
Languages : en
Pages : 285
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Book Description
This book deals with diffraction radiation, which implies the boundary problems of electromagnetic radiation theory. Diffraction radiation is generated when a charged particle moves near a target edge at a distance ( – Lorentz factor, – wave length). Diffraction radiation of non-relativistic particles is widely used to design intense emitters in the cm wavelength range. Diffraction radiation from relativistic charged particles is important for noninvasive beam diagnostics and design of free electron lasers based on Smith-Purcell radiation which is diffraction radiation from periodic structures. Different analytical models of diffraction radiation and results of recent experimental studies are presented in this book. The book may also serve as guide to classical electrodynamics applications in beam physics and electrodynamics. It can be of great use for young researchers to develop skills and for experienced scientists to obtain new results.
Author: Eugene Oks
Publisher:
ISBN: 9780750362832
Category : Science
Languages : en
Pages : 0
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Book Description
The book covers various polarization and directional effects - practically important for diagnostics of plasmas - in the radiation of satellites of spectral lines from plasmas, in the intra-Stark spectroscopy of plasmas, in the Stark broadening of spectral lines by a high-energy hydrogen or deuterium beam, or by a relativistic electron beam in magnetic fusion plasmas, in the Stark broadening of spectral lines in strongly-magnetized plasmas, in the radiation of plasma-based x-ray lasers, and in the laser-induced fluorescence from plasmas.
Author: Valeriy Astapenko
Publisher: Springer Science & Business Media
ISBN: 3642340822
Category : Science
Languages : en
Pages : 382
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Book Description
The book is devoted to the modern theory and experimental manifestation of Polarization Bremsstrahlung (PB) which arises due to scattering of charged particles from various targets: atoms, nanostructures (including atomic clusters, nanoparticle in dielectric matrix, fullerens, graphene-like two-dimensional atomic structure) and in condensed matter (monocrystals, polycrystals, partially ordered crystals and amorphous matter) The present book addresses mainly researchers interested in the radiative processes during the interaction between fast particles and matter. It also will be useful for post-graduate students specializing in radiation physics and related fields.
Author: Eberhard Haug
Publisher: World Scientific
ISBN: 9789812795007
Category : Science
Languages : en
Pages : 276
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Book Description
Ch. 1. Introduction. 1.1. General introduction. 1.2. Short historical note. 1.3. Notations and definitions -- ch. 2. Classical and semiclassical considerations on the bremsstrahlung process. 2.1. Electron-nucleus bremsstrahlung. 2.2. Electron-electron bremsstrahlung. 2.3. Weizsäcker-Williams method of virtual quanta -- ch. 3. Theory of the elementary process of electron-nucleus bremsstrahlung. 3.1. Introduction. 3.2. Bremsstrahlung cross section. 3.3. Born approximation (Bethe-Heitler formula). 3.4. Approximations with the Sommerfeld-Maue wave function. 3.5. Calculation using relativistic partial-wave expansions. 3.6. Spin-dependent cross section and bremsstrahlung asymmetry. 3.7. Bremsstrahlung polarization. 3.8. Radiative corrections to bremsstrahlung -- ch. 4. Experiments on the elementary process of electron-nucleus bremsstrahlung. 4.1. Survey of experimental devices. 4.2. Electron-photon coincidence experiments without regard to polarization variables. 4.3. Electron-photon coincidence experiments including polarization variables. 4.4. Tagged photons -- ch. 5. Theory of the elementary process of electron-electron bremsstrahlung. 5.1. Introduction. 5.2. Kinematics. 5.3. Cross section. 5.4. Bremsstrahlung in the field of bound electrons -- ch. 6. Experiments on the elementary process of electron-electron bremsstrahlung. 6.1. Electron-photon coincidence experiments without regard to polarization variables. 6.2. Electron-photon coincidence experiments including polarization variables -- ch. 7. Some remarks on integrated cross sections and further bremsstrahlung processes. 7.1. Integrated cross sections. 7.2. Positron-nucleus bremsstrahlung. 7.3. Electron-positron bremsstrahlung. 7.4. Two-photon bremsstrahlung. 7.5. Polarization bremsstrahlung. 7.6. Crystalline targets: coherent bremsstrahlung. 7.7. Bremsstrahlung from heavy particles. 7.8. Bremsstrahlung in nuclear decays. 7.9. Bremsstrahlung in magnetic fields. 7.10. Stimulated bremsstrahlung
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 828
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Book Description
Author: Frank J. Duarte
Publisher: Academic Press
ISBN: 0080543316
Category : Technology & Engineering
Languages : en
Pages : 287
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Book Description
Chapters will provide self-contained treatment of the topic as much as possible to allow the reader to go directly to the appropriate chapter to deal with a particular topic of concern. This sharp focus is necessary to maintain the emphasis, and to make this a practical reference. The knowledge and experience will integrate aspects of laser oscillators, laser amplifiers, laser systems, engineering of rugged laser cavities, design and engineering of laser-based instrumentation, and design of highly reliable laser systems for material processing applications. Provides a sharp focus practical aspects of reference material Offers an approach that will be simple, direct, and focused only on lasers and optics Integrates aspects of laser oscillators, laser amplifiers, laser systems, engineering of rugged laser cavities, design and engineering of laser-based instrumentation, and design of highly reliable laser systems for material processing applications
Author: National Institute of Standards and Technology (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 810
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Book Description
Author: Hans Kleinpoppen
Publisher: Springer Science & Business Media
ISBN: 1461329973
Category : Science
Languages : en
Pages : 697
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Book Description
H. KLEINPOPPEN AND J. F. WILLIAMS It has only very recently become possible to study angular correlations and coherence effects in different areas of atomic collision processes: These investigations have provided us with an analysis of experimental data in terms of scattering amplitudes and their phases, of target parameters such as orientation, alignment, and state multipoles, and also of coherence parameters (e. g. , the degree of coherence of excita tion). In this way the analysis of electron-photon, ion-photon, atom-photon, or electron-ion coincidences from electron-atom, ion-atom, or atom-atom collisional excitation has led to a breakthrough such that the above quantities represent most crucial and sensitive tests for theories of atomic collision processes. Similarly, the powerful (e, 2e) experiments (electron-electron coincidences from impact ionization of atoms) have attracted much attention where improved experimental studies and detailed theoretical description provide a wealth of information on either the col lisional ionization process or the atomic structure of the target atom. Interference effects, many-electron correlations, and energy and angular momen tum exchange between electrons in a Coulomb field playa decisive role in the under standing of postcollision interactions. New results on coherence effects and orienta tion and alignment in collisional processes of ions with surfaces and crystal lattices show links to relevant interference phenomena in atomic collisions. In small-angle elastic electron-atom scattering the effect of angular coherence can be studied in a crossed beam experiment.
Author: Vladimir Pavlovich Kraĭnov
Publisher: Wiley-VCH
ISBN:
Category : Science
Languages : en
Pages : 320
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Book Description
This book offers advanced students and researchers an up-to-date quantum treatment of the interaction of atoms with electromagnetic radiation. Problems and solutions are used to develop concepts, terminology, and the principal results of the quantum theory of radiative processes in atoms. Concepts covered include: radiative transitions between discrete states in atomic systems, atomic photoprocesses involving free particles, coherent phenomena in radiative transitions, extensive treatment of line-broadening mechanisms, atoms in strong fields and theory of angular momentum.
