Theoretical Studies of Atomic Transitions and Inter-atomic Interactions PDF Download
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Author: Alexander Dalgarno
Publisher:
ISBN:
Category :
Languages : en
Pages : 97
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Book Description
The results of theoretical calculations of radiative transition probabilities in positive ions of atomic nitrogen and oxygen are presented. Results of a theoretical multi-state impact parameter calculation for the cross section of the mutual neutralization reaction, H(+) + H( - ) yields H + H are given and compared with experimental data. (Author).
Author: Alexander Dalgarno
Publisher:
ISBN:
Category :
Languages : en
Pages : 97
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Book Description
The results of theoretical calculations of radiative transition probabilities in positive ions of atomic nitrogen and oxygen are presented. Results of a theoretical multi-state impact parameter calculation for the cross section of the mutual neutralization reaction, H(+) + H( - ) yields H + H are given and compared with experimental data. (Author).
Author: Joseph Edward Kouba
Publisher:
ISBN:
Category : Atoms
Languages : en
Pages : 0
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Book Description
Author: J. H. McGuire
Publisher: Cambridge University Press
ISBN: 9780521018593
Category : Science
Languages : en
Pages : 304
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Book Description
This graduate/research level text introduces the theory of multi-electron transitions in atomic, molecular and optical physics, emphasizing the emerging topic of dynamic electron correlation. The book begins with an overview of simple binomial probabilities, classical scattering theory, quantum scattering and correlation, followed by the theory of single electron transition probabilities. Multiple electron transition probabilities are then treated in detail. Various approaches to multiple electron transitions are covered including the independent electron approximation, useful statistical methods and perturbation expansions treating correlation in both weak and strong limits. The dynamics of electron correlation are strongly emphasized. The text contains a comprehensive summary of data for few and many-electron transitions in atoms and molecules, including transitions on different atomic centers, fast ion-atom and electron-atom interactions, and recent observations using synchrotron radiation. Emphasis is given to methods that may be used by nonspecialists.
Author: Piotr Piecuch
Publisher: Springer Science & Business Media
ISBN: 9048129850
Category : Science
Languages : en
Pages : 288
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Book Description
Advances in the Theory of Atomic and Molecular Systems, is a collection of contributions presenting recent theoretical and computational developments that provide new insights into the structure, properties, and behavior of a variety of atomic and molecular systems. This volume (subtitled “Dynamics, Spectroscopy, Clusters, and Nanostructures”) deals with the topics of “Quantum Dynamics and Spectroscopy”, “Complexes and Clusters”, and “Nanostructures and Complex Systems”. This volume is an invaluable resource for faculty, graduate students, and researchers interested in theoretical and computational chemistry and physics, physical chemistry and chemical physics, molecular spectroscopy, and related areas of science and engineering.
Author: Harald Siegfried Friedrich
Publisher: Springer Science & Business Media
ISBN: 354025644X
Category : Science
Languages : en
Pages : 513
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Book Description
This established text contains an advanced presentation of quantum mechanics adapted to the requirements of modern atomic physics. The third edition extends the successful second edition with a detailed treatment of the wave motion of atoms, and it also contains an introduction to some aspects of atom optics that are relevant for current and future experiments involving ultra-cold atoms. Included: Various problems with complete solutions.
Author: Andreev
Publisher: CRC Press
ISBN: 9780750302197
Category : Technology & Engineering
Languages : en
Pages : 500
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Book Description
Cooperative Effects in Optics: Superradiance and Phase Transitions presents a systematic treatment of the modern theory of cooperative optical phenomena-processes in which the behavior of many-body systems of radiators or absorbers is essentially determined by their collective interactions with each other. The book focuses on the theory of collective spontaneous radiation (superradiance) and provides a detailed physical explanation of the mechanism of collective spontaneous emission. It considers numerous models of novel nonequilibrium light-induced phase transitions in a typical quantum electronics system, including two-level atoms interacting with the radiation field and more complex systems of three-level atoms, two-bank semiconductors, and other interatomic interactions with the electrostatic and lattice displacement fields. The book uses some of these models for the interpretation of experimentally observed light-induced critical phenomena. Cooperative Effects in Optics is of great value to research workers in the field of cooperative optical phenomena, especially in the determination of the physical essence of theoretical models developed to describe cooperative effects in multi-atomic systems.
Author: Martin Andersson
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This grant has contributed to the establishment of a strong group in Theoretical Atomic and Molecular Physics at Clark Atlanta University. The general thrust of the group has been: (l) the development of novel theoretical methods for application to electron scattering at small-scattering angles, propulsion technologies and planetary atmospheres; 2) the calculation, using extensive configuration-interaction wave functions in sophisticated methodologies of energy levels, optical oscillator strengths, effective collision strengths for use in plasma modeling and photoionization cross sections; and 3) the support of minority students who are underrepresented in the physical and mathematical sciences The acquisition through tho AFOSR research grant of the powerful IBM RISC 6OOO/590 workstation and attendant software as well as the support of a Post-doctoral Fellow and students have improved the research environment at the Center for theoretical Studies of Physical Systems (CTSPS) and impacted the training of students in the Atlanta University Center, the largest consortium of private HBCUs in the nation. National and international visitors and collaborators have been attracted to CTSPS, creating an excellent environment for research, thereby advancing the field of small-angle electron scattering to a level that has never been attained before. The project has been very productive. Twenty-five publications have been generated with an additional six publications submitted for publication in refereed journals. Additionally, 31 papers have been presented at national and international conferences over the past three years.
Author: Michel Lannoo
Publisher: Springer Science & Business Media
ISBN: 3662027143
Category : Science
Languages : en
Pages : 267
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Book Description
Surfaces and interfaces play an increasingly important role in today's solid state devices. In this book the reader is introduced, in a didactic manner, to the essential theoretical aspects of the atomic and electronic structure of surfaces and interfaces. The book does not pretend to give a complete overview of contemporary problems and methods. Instead, the authors strive to provide simple but qualitatively useful arguments that apply to a wide variety of cases. The emphasis of the book is on semiconductor surfaces and interfaces but it also includes a thorough treatment of transition metals, a general discussion of phonon dispersion curves, and examples of large computational calculations. The exercises accompanying every chapter will be of great benefit to the student.
Author: Walter R. Johnson
Publisher: Springer Science & Business Media
ISBN: 3540680101
Category : Science
Languages : en
Pages : 318
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Book Description
This book provides a hands-on experience with atomic structure calculations. Material covered includes angular momentum methods, the central field Schrödinger and Dirac equations, Hartree-Fock and Dirac-Hartree-Fock equations, multiplet structure, hyperfine structure, the isotope shift, dipole and multipole transitions, basic many-body perturbation theory, configuration interaction, and correlation corrections to matrix elements. The book also contains numerical methods for solving the Schrödinger and Dirac eigenvalue problems and the (Dirac)-Hartree-Fock equations.
