Dynamics During Spectroscopic Transitions
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Dynamics During Spectroscopic Transitions
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Author : Ernst Lippert
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Dynamics During Spectroscopic Transitions written by Ernst Lippert 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.
"How does a photon get into an atom?" This question - fundamental to quantum mechanics - puzzled leading scientists such as Schrödinger and Heisenberg and is still asked by students. James D. Macomber's book was the first to provide a didactic and unified approach to the answer, which has now been updated by way of recent experimental results and modern theoretical interpretations written by leading scientists. It provides an understanding for similarities among the spectroscopic methods available and is stimulating to read, reflecting the excitement of scientific research.
Dynamics During Spectroscopic Transitions
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Author : Ernst Lippert
language : en
Publisher:
Release Date : 1995-05-16
Dynamics During Spectroscopic Transitions written by Ernst Lippert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05-16 with categories.
The Dynamics Of Spectroscopic Transitions
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Author : James D. Macomber
language : en
Publisher: John Wiley & Sons
Release Date : 1976
The Dynamics Of Spectroscopic Transitions written by James D. Macomber 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 1976 with Science categories.
Spectroscopy Of Condensed Media
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Author : C.H. Wang
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Spectroscopy Of Condensed Media written by C.H. Wang 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.
Spectroscopy of Condensed Media: Dynamics of Molecular Interactions discusses the use of molecular spectroscopy (including nuclear magnetic resonance [NMR] and nonlinear optical spectroscopy) in dynamic processes in condensed molecular systems. The book reviews relationship between transition probability and the time-correlation function of an isotropic electric dipole system, linear-response theory, and light scattering resulting from the translational motion of molecules in fluids. The text describes molecular rotation, theories of angular momentum, nuclear magnetic resonance, and spontaneous and coherent Raman effects. Closely related with the Raman and Brillouin scattering are vibrational dephasing, relaxation processes, and dynamics of phase transition solids. The book highlights the advantages of using NMR and also explains the basic concepts, such as local field, spin temperature, and effective Hamiltonians, that are employed in interpreting NMR experiments. The investigator can use nonlinear optical spectroscopy to study condensed matter. The text also cites two methods in which the investigator can control the time-dependent average Hamiltonian by (1) manipulating the intensity, timing, phase of the pulses, or (2) by sample spinning. The book is intended for advanced graduate students in physical chemistry that will equally benefit both investigators and scientists involved in physics research.
Spectroscopic Study On Charge Spin Orbital Coupled Phenomena In Mott Transition Oxides
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Author : Masaki Uchida
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-02-02
Spectroscopic Study On Charge Spin Orbital Coupled Phenomena In Mott Transition Oxides written by Masaki Uchida 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 2013-02-02 with Technology & Engineering categories.
In this thesis the author presents the results of extensive spectroscopy experiments beyond the bounds of each transition element to clarify the origins of characteristic spectral features and charge dynamics in charge-spin-orbital coupled phenomena in Mott-transition oxides. Several counterpart 3d transition-metal oxides were adopted as model systems suitable for examining the mechanisms involved, and their electronic structures were systematically investigated using three main spectroscopy methods. Comparative studies on the charge dynamics and Mott transition features of transition-metal oxides were performed: Charge dynamics and thermoelectricity in a typical Mott transition system La1−xSrxVO3, charge dynamics in a doped valence-bond solid system (Ti1−xVx)2O3 and in layered nickelates R2-xSrxNiO4 with charge-ordering instability are investigated thoroughly. The results obtained successfully provide a number of novel insights into the emergent phenomena near the Mott transition.
Electron Correlation Dynamics In Atomic Collisions
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Author : J. H. McGuire
language : en
Publisher: Cambridge University Press
Release Date : 2005-12-15
Electron Correlation Dynamics In Atomic Collisions written by J. H. McGuire 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 2005-12-15 with Science categories.
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.
The Glass Transition
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Author : Ernst-Joachim Donth
language : en
Publisher: Springer Science & Business Media
Release Date : 2001-06-06
The Glass Transition written by Ernst-Joachim Donth 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 2001-06-06 with Medical categories.
Describes and interrelates the following processes: cooperative alpha processes in a cold liquid, structural relaxation in the glass near Tg, the Johari-Goldstein beta process, the Williams-Götze process in a warm liquid, fast nonactivated cage rattling and boson peak, and ultraslow Fischer modes.
Photodissociation Dynamics
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Author : Reinhard Schinke
language : en
Publisher: Cambridge University Press
Release Date : 1995-05-11
Photodissociation Dynamics written by Reinhard Schinke 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 1995-05-11 with Science categories.
Photodissociation induced by the absorption of single photons permits the detailed study of molecular dynamics such as the breaking of bonds, internal energy transfer and radiationless transitions. The availability of powerful lasers operating over a wide frequency range has stimulated rapid development of new experimental techniques which make it possible to analyse photodissociation processes in unprecedented detail. This text elucidates the achievements in calculating photodissociation cross-sections and fragment state distributions from first principles, starting from multi-dimensional potential energy surfaces and the Schrödinger equation of nuclear motion. Following an extended introduction in which the various types of observables are outlined, the book summarises the basic theoretical tools, namely the time-independent and the time-dependent quantum mechanical approaches as well as the classical picture of photodissociation. The discussions of absorption spectra, diffuse vibrational structures, the vibrational and rotational state distributions of the photofragments form the core of the book. More specific topics such as the dissociation of vibrationally excited molecules, emission during dissociation, or nonadiabatic effects are also discussed. It will be of interest to graduate students and senior scientists working in molecular physics, spectroscopy, molecular collisions and molecular kinetics.
Coherent Vibrational Dynamics
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Author : Guglielmo Lanzani
language : en
Publisher: CRC Press
Release Date : 2007-11-29
Coherent Vibrational Dynamics written by Guglielmo Lanzani and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-11-29 with Science categories.
Remarkable developments in the spectroscopy field regarding ultrashort pulse generation have led to the possibility of producing light pulses ranging from 50 to5 fs and frequency tunable from the near infrared to the ultraviolet range. Such pulses enable us to follow the coupling of vibrational motion to the electronic transitions in molecules and
The Spectra And Dynamics Of Diatomic Molecules
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Author : Helene Lefebvre-Brion
language : en
Publisher: Elsevier
Release Date : 2004-04-28
The Spectra And Dynamics Of Diatomic Molecules written by Helene Lefebvre-Brion and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-04-28 with Science categories.
This book is written for graduate students just beginning research, for theorists curious about what experimentalists actually can and do measure, and for experimentalists bewildered by theory. It is a guide for potential users of spectroscopic data, and uses language and concepts that bridge the frequency-and time-domain spectroscopic communities. Key topics, concepts, and techniques include: the assignment of simple spectra, basic experimental techniques, definition of Born-Oppenheimer and angular momentum basis sets and the associated spectroscopic energy level patterns (Hund's cases), construction of effective Hamiltonian matrices to represent both spectra and dynamics, terms neglected in the Born-Oppenheimer approximation (situations intermediate between Hund's cases, spectroscopic perturbations), nonlinear least squares fitting, calculation and interpretation of coupling terms, semi-classical (WKB) approximation, transition intensities and interference effects, direct photofragmentation (dissociation and ionization) and indirect photofragmentation (predissociation and autoionization) processes, visualization of intramolecular dynamics, quantum beats and wavepackets, treatment of decaying quasi-eigenstates using a complex Heff model, and concluding with some examples of polyatomic molecule dynamics. Students will discover that there is a fascinating world of cause-and-effect localized dynamics concealed beyond the reduction of spectra to archival molecular constants and the exact ab initio computation of molecular properties. Professional spectroscopists, kinetics, ab initio theorists will appreciate the practical, simplified-model, and rigorous theoretical approaches discussed in this book. A fundamental reference for all spectra of small, gas-phase molecules It is the most up-to-date and comprehensive book on the electronic spectroscopy and dynamics of diatomic molecules The authors pioneered the development of many of the experimental methods, concepts, models, and computational schemes described in this book