Atomic Radiative Processes
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Atomic And Molecular Radiative Processes
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Author : Vladimir Krainov
language : en
Publisher: Springer
Release Date : 2019-07-03
Atomic And Molecular Radiative Processes written by Vladimir Krainov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-03 with Science categories.
This book describes selected problems in contemporary spectroscopy in the context of quantum mechanics and statistical physics. It focuses on elementary radiative processes involving atomic particles (atoms, molecules, ions), which include radiative transitions between discrete atomic states, the photoionization of atoms, photorecombination of electrons and ions, bremsstrahlung, photodissociation of molecules, and photoattachment of electrons to atoms. In addition to these processes, the transport of resonant radiation in atomic gases and propagation of infrared radiation in molecular gases are also considered. The book subsequently addresses applied problems such as optical pumping, cooling of gases via laser resonance radiation, light-induced drift of gas atoms, photoresonant plasma, reflection of radio waves from the ionosphere, and detection of submillimeter radiation using Rydberg atoms. Lastly, topical examples in atmospheric and climate change science are presented, such as lightning channel glowing, emission of the solar photosphere, and the greenhouse phenomenon in the atmospheres of the Earth and Venus. Along with researchers, both graduate and undergraduate students in atomic, molecular and atmospheric physics will find this book a useful and timely guide.
Radiative Processes In Astrophysics
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Author : George B. Rybicki
language : en
Publisher: John Wiley & Sons
Release Date : 2008-09-26
Radiative Processes In Astrophysics written by George B. Rybicki and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-26 with Science categories.
Radiative Processes in Astrophysics: This clear, straightforward, and fundamental introduction is designed to present-from a physicist's point of view-radiation processes and their applications to astrophysical phenomena and space science. It covers such topics as radiative transfer theory, relativistic covariance and kinematics, bremsstrahlung radiation, synchrotron radiation, Compton scattering, some plasma effects, and radiative transitions in atoms. Discussion begins with first principles, physically motivating and deriving all results rather than merely presenting finished formulae. However, a reasonably good physics background (introductory quantum mechanics, intermediate electromagnetic theory, special relativity, and some statistical mechanics) is required. Much of this prerequisite material is provided by brief reviews, making the book a self-contained reference for workers in the field as well as the ideal text for senior or first-year graduate students of astronomy, astrophysics, and related physics courses. Radiative Processes in Astrophysics also contains about 75 problems, with solutions, illustrating applications of the material and methods for calculating results. This important and integral section emphasizes physical intuition by presenting important results that are used throughout the main text; it is here that most of the practical astrophysical applications become apparent.
Atomic Radiative Processes
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Author : Peter R. Fontana
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Atomic Radiative Processes written by Peter R. Fontana and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Atomic Radiative Processes provides a unified treatment of the theory of atomic radiative processes. Fourier transforms are used to obtain solutions of time-dependent Schrödinger equations, and coupled differential equations are transformed to coupled linear equations that in most cases can be readily solved. This book consists of nine chapters and begins with an overview of some of the properties of the classical field and its interaction with particles, focusing on those aspects needed for a better understanding of quantum theory. The Hamiltonian formalism is used to quantize the field, and the density of states of the radiation field is considered. The following chapters focus on a few Fourier transform techniques and their application to such areas as coherence properties of the field and amplitude and intensity correlations; the theory of angular momentum; the properties of irreducible tensors; quantization of the radiation field; and photon states. The interaction of a two-level atom with single modes of the radiation field is also discussed, along with spontaneous emission and decay processes; the evolution of coupled atomic states; the frequency distribution of emitted radiation; and radiative excitation and fluorescence. This monograph is intended for students and researchers in pure and applied physics.
Atomic Spectroscopy And Radiative Processes
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Author : Egidio Landi Degl'Innocenti
language : en
Publisher: Springer
Release Date : 2014-06-24
Atomic Spectroscopy And Radiative Processes written by Egidio Landi Degl'Innocenti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-24 with Science categories.
This book describes the basic physical principles of atomic spectroscopy and the absorption and emission of radiation in astrophysical and laboratory plasmas. It summarizes the basics of electromagnetism and thermodynamics and then describes in detail the theory of atomic spectra for complex atoms, with emphasis on astrophysical applications. Both equilibrium and non-equilibrium phenomena in plasmas are considered. The interaction between radiation and matter is described, together with various types of radiation (e.g., cyclotron, synchrotron, bremsstrahlung, Compton). The basic theory of polarization is explained, as is the theory of radiative transfer for astrophysical applications. Atomic Spectroscopy and Radiative Processes bridges the gap between basic books on atomic spectroscopy and the very specialized publications for the advanced researcher: it will provide under- and postgraduates with a clear in-depth description of theoretical aspects, supported by practical examples of applications.
Atomic Radiative Processes
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Author : Peter R. Fontana
language : en
Publisher:
Release Date : 1974
Atomic Radiative Processes written by Peter R. Fontana and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Atomic Radiation And Polymers
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Author : A. Charlesby
language : en
Publisher: Elsevier
Release Date : 2016-01-22
Atomic Radiation And Polymers written by A. Charlesby and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-22 with Science categories.
Radiation Effects in Materials, Volume 1: Atomic Radiation and Polymers considers the theoretical and experimental studies on the association between polymers and atomic radiation. The use of radiation in polymer science constitutes a powerful tool for the quantitative study of macromolecules. This book consists of 31 chapters, and starts with a brief introduction to fundamentals of atomic radiation and polymer structure. The next chapters focus on some aspect of atomic radiation, including radiation units, radiation-matter interaction, and nuclear and electrical sources of radiation. A chapter presents the appropriate methods to study radiation chemistry and polymer. Considerable chapters are devoted to the molecular structure, chemistry, and reactions of polymers. This volume also describes some significant chemical changes of radiation. Other chapters explore the properties and reactions of various irradiated polymers. The remaining chapters deal with radiation protection effects in polymers, which are processes wherein small changes in chemical structure within a molecule or in its neighborhood can exert a disproportionately large influence on the overall chemical reactions. This book is of value to nuclear and solid state physicists, organic and polymer chemists, and nuclear engineers and radiobiologists.
Radiation Trapping In Atomic Vapours
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Author : Andreas F. Molisch
language : en
Publisher: Oxford University Press
Release Date : 1998
Radiation Trapping In Atomic Vapours written by Andreas F. Molisch and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
Radiation from spectral lines can be absorbed and re- emitted many times in atomic vapours before it reaches the boundaries of the container encasing the vapour. This effect is known as radiation trapping. It plays an important role practically everywhere where atomic vapours occur, e.g. in spectroscopy, in gas lasers, in atomic line filters, in the determination of atomic lifetimes, in measurements of atomic interaction potentials, and in electric discharge lamps. This book for the first time assembles all the information necessary for a treatment of practical problems, emphasizing both physical insights and mathematical methods. After an introduction that reviews resonance radiation and collisional processes in atomic vapours, physical effects and mathematical methods for various types of problems (e.g. with or without saturation, particle diffusion, reflecting cell walls, etc.) are explained in detail. The last part of the book describes the applications of these methods to a variety of practical problems like cross-section measurements or the design of discharge lamps.
Plasma Atomic Physics
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Author : Frank B. Rosmej
language : en
Publisher: Springer
Release Date : 2021-09-07
Plasma Atomic Physics written by Frank B. Rosmej and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-07 with Science categories.
Plasma Atomic Physics provides an overview of the elementary processes within atoms and ions in plasmas, and introduces readers to the language of atomic spectra and light emission, allowing them to explore the various and fascinating radiative properties of matter. The book familiarizes readers with the complex quantum-mechanical descriptions of electromagnetic and collisional processes, while also developing a number of effective qualitative models that will allow them to obtain adequately comprehensive descriptions of collisional-radiative processes in dense plasmas, dielectronic satellite emissions and autoionizing states, hollow ion X-ray emissions, polarized atoms and ions, hot electrons, charge exchange, atomic population kinetics, and radiation transport. Numerous applications to plasma spectroscopy and experimental data are presented, which concern magnetic confinement fusion, inertial fusion, laser-produced plasmas, and X-ray free-electron lasers’ interaction with matter. Particular highlights include the development of quantum kinetics to a level surpassing the almost exclusively used quasi-classical approach in atomic population kinetics, the introduction of the recently developed Quantum-F-Matrix-Theory (QFMT) to study the impact of plasma microfields on atomic populations, and the Enrico Fermi equivalent photon method to develop the “Plasma Atom”, where the response properties and oscillator strength distribution are represented with the help of a local plasma frequency of the atomic electron density. Based on courses held by the authors, this material will assist students and scientists studying the complex processes within atoms and ions in different kinds of plasmas by developing relatively simple but highly effective models. Considerable attention is paid to a number of qualitative models that deliver physical transparency, while extensive tables and formulas promote the practical and useful application of complex theories and provide effective tools for non-specialist readers.
An Introduction To The Atomic And Radiation Physics Of Plasmas
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Author : G. J. Tallents
language : en
Publisher: Cambridge University Press
Release Date : 2018-02-22
An Introduction To The Atomic And Radiation Physics Of Plasmas written by G. J. Tallents and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-22 with Science categories.
The physics of emission, absorption and interaction of light in astrophysics and in laboratory plasmas is developed from first principles and applied across various fields, from quantum mechanics, electricity and magnetism, to statistical physics. This text links undergraduate level atomic and radiation physics with the advanced material required for postgraduate study and research.
Radiation Of Atoms In A Resonant Environment
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Author : V P BYKOV
language : en
Publisher: World Scientific
Release Date : 1994-01-18
Radiation Of Atoms In A Resonant Environment written by V P BYKOV and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-18 with Science categories.
This book is devoted to the modern problems of quantum optics. Atomic radiations in free space, waveguides, cavities and periodical structures are investigated. The wavepacket quantum-mechanical picture of radiation is stressed and different quantum states of the radiation field are described. The analysis of the appearance of coherence in lasers is followed by a discussion of the connection between the form of the Hamiltonian and the initial conditions in the radiation problems. The quantum theory of interference is also given and causality in the radiation process is investigated, and the resolvent method for radiation problems is also described. A new type of laser generator with an extremely narrow spectrum is then proposed. Finally, problems of the quantum-mechanical description of macroscopic body movement are discussed in connection with the observation of squeezed light.