Radiation Transport In Spectral Lines
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Radiation Transport In Spectral Lines
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Author : R.G. Athay
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Radiation Transport In Spectral Lines written by R.G. Athay and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The usual book on the theory of spectral line formation begins with an in-depth dis cussion of radiation transfer, including the elegant methods of obtaining analytical solutions for special cases, and of the physics of line broadening. Neither of those features will be found in this book. It is assumed that the reader is already familiar with the essentials of transport theory and of line broadening and is ready to investi gate some of the particular applications of the theory to the flow of line photons through the outer layers of a star, or other tenuous media. The main thrust of this book is toward the compilation and presentation of a vast quantity of computational material available to the author in the form of computer output. The material presented represents a highly filtered sample of the published work in this subject plus an extensive set of previously unpublished results. To present large quantities of computer output in an intelligible and efficient way is a difficult task, for which I have found no really satisfactory solution. Chapters III and IV, in particular, contain almost exclusively this type of presentation. The reader may find these chapters somewhat tedious because of the level of condensation of the material. I have tried to reach a reasonable balance between over condensation and excessive detail, which in the long run may be irrelevant.
Transfer Of Radiation In Spectral Lines
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Author : Vsevolod Vladimirovich Ivanov
language : en
Publisher:
Release Date : 1973
Transfer Of Radiation In Spectral Lines written by Vsevolod Vladimirovich Ivanov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Astronomical spectroscopy categories.
The Transfer Of Spectral Line Radiation
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Author : C. J. Cannon
language : en
Publisher: Cambridge University Press
Release Date : 2012-01-26
The Transfer Of Spectral Line Radiation written by C. J. Cannon 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 2012-01-26 with Science categories.
Originally published in 1985, this monograph describes the interaction of radiation with plasma. Using an approach that is particularly relevant to the interpretation of data from laboratory plasmas or stellar atmospheres, the author sets out the physics and mathematics of the interaction of photons with atoms, molecules, ions and electrons. The emphasis throughout is on relating the formal mathematics to the real world of observable properties and interpretation. The equation of radiative transfer for a two-level atom is solved exactly by two distinct methods. Techniques for solving more realistic problems are then presented. This leads to the main thrust of the book which gives a detailed analysis of the matter - radiation interaction.
Transfer Of Radiation In Spectral Lines
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Author : Vsevolod Ivanov
language : en
Publisher:
Release Date : 1973
Transfer Of Radiation In Spectral Lines written by Vsevolod Ivanov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Transfer Of Radiation In Spectral Lines
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Author : V. V. IVANOV
language : en
Publisher:
Release Date : 2018
Transfer Of Radiation In Spectral Lines written by V. V. IVANOV and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Transfer Of Radiation In Spectral Lines Classic Reprint
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Author : V. V. Ivanov
language : en
Publisher: Forgotten Books
Release Date : 2017-10-27
Transfer Of Radiation In Spectral Lines Classic Reprint written by V. V. Ivanov and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-27 with categories.
Excerpt from Transfer of Radiation in Spectral Lines We use the now-classical analytical methods of transport t mainly by E. Hopf, V. A. Ambartsumian, S. Chandrasekhar and V. The use of these methods rather than Case's method of the norma sion may also seem somewhat old-fashioned. The majority of the sented in this book may be readily obtained by Case's method. However, that the asymptotic solutions of line transfer problem directly obtained by the classical methods. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Transfer Of Radiation In Spectral Lines
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Author : Vsevolod Vladimirovich Ivanov
language : en
Publisher:
Release Date : 1973
Transfer Of Radiation In Spectral Lines written by Vsevolod Vladimirovich Ivanov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Astrophysics categories.
Polarization In Spectral Lines
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Author : M. Landi Degl'Innocenti
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-17
Polarization In Spectral Lines written by M. Landi Degl'Innocenti and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-17 with Science categories.
The scientific research based on spectropolarimetric techniques is undergoing a phase of rapid growth. Instruments of unprecedented sensitivity are nowadays available, particularly for solar observations. To fully exploit the rich diagnostic content of such observations, it is necessary to understand the physical mechanisms involved in the generation and transfer of polarized radiation in astrophysical (or laboratory) plasmas. After an introductory part based on classical physics, this book tackles the subject by a rigorous quantum-mechanical approach. The transfer equations for polarized radiation and the statistical equilibrium equations for the atomic density matrix are derived directly from the principles of Quantum Electrodynamics. The two sets of equations are then used to present a number of applications, mainly concerning the diagnostics of solar magnetic fields. This book is primarily addressed to scientists working in the field of spectropolarimetry. It may also serve as a textbook for a course at the graduate or advanced undergraduate level.
Progress In Stellar Spectral Line Formation Theory
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Author : J.E. Beckman
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Progress In Stellar Spectral Line Formation Theory written by J.E. Beckman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Spectral line formation theory is at the heart of astrophysical diagnostic. Our knowledge of abundances, in both stellar and interstellar contexts, comes almost enti rely from line analysis, as does a major fraction of our ability to model stellar atmospheres. As new facets of the universe become observable so the techniques of high reso lution spectroscopy are brought to bear, with great reward. Improved instruments, such as echelle spectrographs, employ ing detectors of high quantum efficiency, have revolutioned our ability to observe high quality line profiles, although until now this ability has been confined to the brightest stars. Fabry-Perot interferometers and their modern deriva tives are bringing new ranges of resolving power to studies of atomic and ionic interstellar lines, and of course radio techniques imply exceedingly high resolution for the cool interstellar medium of molecules and radicals. Telescopes in space are extending the spectral range of these types of observations. Already the Copernicus and IUE high resolution spectrographs have given us a tantalizing glimmer of what it will be like to obtain ultraviolet spectra with resolution and signal to noise ratio approaching those obtainable on the ground. Fairly soon Space Telescope will be producing high resolution spectroscopic data of unparal leled quali ty and distance range. As often happens in astro physics the challenge is now coming from the observers to the theorists to provide interpretational tools which are adequate to the state of the data.
Spectral Line Formation
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Author : John T. Jefferies
language : en
Publisher:
Release Date : 1968
Spectral Line Formation written by John T. Jefferies and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Astronomical spectroscopy categories.
The purpose of this book is to discuss certain aspects of the theory of the formation and analysis of the line spectrum of a hot gas. The underlying motivation for most of the studies discussed here lies in a desire to develop a physically sound procedure for interpreting the line spectrum of a stellar atmosphere ; correspondingly, the major emphasis is given to problems encountered in astrophysics.