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Author: J. P. Connerade Publisher: Cambridge University Press ISBN: 0521432324 Category : Science Languages : en Pages : 527
Book Description
An introduction to the physics of highly excited, easily perturbed or interacting atoms. Covers Rydberg states, quantum defect theory, atomic f-values, centrifugal barrier effects, autoionisation, inner shell and double excitation spectra, K-matrix theory, atoms in high laser fields, statistical methods, quantum chaos, and atomic effects in solids.
Author: J. P. Connerade Publisher: Cambridge University Press ISBN: 0521432324 Category : Science Languages : en Pages : 527
Book Description
An introduction to the physics of highly excited, easily perturbed or interacting atoms. Covers Rydberg states, quantum defect theory, atomic f-values, centrifugal barrier effects, autoionisation, inner shell and double excitation spectra, K-matrix theory, atoms in high laser fields, statistical methods, quantum chaos, and atomic effects in solids.
Author: P. Schmelcher Publisher: Springer Science & Business Media ISBN: 0306470748 Category : Science Languages : en Pages : 330
Book Description
This book contains contributions to the 172. WE-Heraeus-Seminar “Atoms and Molecules in Strong External Fields,” which took place April 7–11 1997 at the Phys- zentrum Bad Honnef (Germany). The designation “strong fields” applies to external static magnetic, and/or electric fields that are sufficiently intense to cause alterations in the atomic or molecular str- ture and dynamics. The specific topics treated are the behavior and properties of atoms in strong static fields, the fundamental aspects and electronic structure of molecules in strong magnetic fields, the dynamics and aspects of chaos in highly excited R- berg atoms in external fields, matter in the atmosphere of astrophysical objects (white dwarfs, neutron stars), and quantum nanostructures in strong magnetic fields. It is obvious that the elaboration of the corresponding properties in these regimes causes the greatest difficulties, and is incomplete even today. Present-day technology has made it possible for many research groups to study the behavior of matter in strong external fields, both experimentally and theore- cally, where the phrase “experimentally” includes the astronomical observations. - derstanding these systems requires the development of modern theories and powerful computational techniques. Interdisciplinary collaborations will be helpful and useful in developing more efficient methods to understand these important systems. Hence the idea was to bring together people from different fields like atomic and molecular physics, theoretical chemistry, astrophysics and all those colleagues interested in aspects of few-body systems in external fields.
Author: Vladimir S. Lebedev Publisher: Springer Science & Business Media ISBN: 3642721753 Category : Science Languages : en Pages : 303
Book Description
This monograph is devoted to the basic aspects of the physics of highly ex cited (Rydberg) states of atom's. After almost twenty years, this remains a hot topic of modern atomic physics. Such studies are important for many areas of physics and its applications including spectroscopy, astrophysics and radio astronomy, physics of electronic and atomic collisions, kinetics and di agnostics of gases, and low- and high-temperature plasmas. Physical phenom ena in radiative, collisional, and spectral-line broadening processes involving Rydberg atoms and ions are primarily determined by the peculiar properties and exotic features of highly excited states. The growth of interest and research activity in the physics of Rydberg the last two decades was stimulated by an extremely rapid de atoms over velopment of high-resolution laser spectroscopy, methods of selective excita tion and detection of highly excited states, atomic-beam techniques as well as radio astronomy. This has facilitated significant progress in the differ ent directions of the physics of highly excited atoms being of fundamental and practical importance. In particular, evident advances were achieved in studies of the structure and spectra of highly excited atoms, their behavior in static electric and magnetic fields, interactions with electromagnetic ra diation, spectral-line broadening and the shift of Rydberg series, collisions with electrons, ions, atoms, and molecules, etc. The principle objective of the present book is to reflect the most important physical approaches and efficient theoretical techniques in the modem physics of highly excited atoms and ions.
Author: C.A. Nicolaides Publisher: Springer Science & Business Media ISBN: 1475793340 Category : Science Languages : en Pages : 532
Book Description
This book collects the lectures given at the NATO Advanced Study Institute on "Atoms in Strong Fields", which took place on the island of Kos, Greece, during the two weeks of October 9-21,1988. The designation "strong field" applies here to an external electromagnetic field that is sufficiently strong to cause highly nonlinear alterations in atomic or molecular struc ture and dynamics. The specific topics treated in this volume fall into two general cater gories, which are those for which strong field effects can be studied in detail in terrestrial laboratories: the dynamics of excited states in static or quasi-static electric and magnetic fields; and the interaction of atoms and molecules with intense laser radiation. In both areas there exist promising opportunities for research of a fundamental nature. An electric field of even a few volts per centimeter can be very strong on the atom ic scale, if it acts upon a weakly bound state. The study of Rydberg states with high reso lution laser spectroscopic techniques has made it possible to follow the transition from weak-field to strong-field behavior in remarkable detail, using static fields of modest lab oratory strength; in the course of this transition the atomic system evolves from one which can be thoroughly understood in terms of field-free quantum numbers, to one which cannot be meaningfully associated at all with the zero-field states of the atom.
Author: Karl-Fredrik Berggren Publisher: World Scientific ISBN: 9789812811004 Category : Science Languages : en Pages : 288
Book Description
Spectral twinkling: A new example of singularity-dominated strong fluctuations (summary) / M. Berry -- Quantum chaos in GaAs/AlxGa1-x As microstructures / A. M. Chang -- Ground state spin and Coulomb blockade peak motion in chaotic quantum dots / J. A. Folk ... [et al.] -- Quantum chaos and transport phenomena in quantum dots / A. S. Sachrajda -- Conductance of a ballistic electron billiard in a magnetic field: Does the semiclassical approach apply? / T. Blomquist and I. Zozoulenko -- Semiconductor billiards - a controlled environment to study fractals / R. P. Taylor ... [et al.] -- Experimental signatures of wavefunction scarring in open semiconductor billiards / J. P. Bird, R. Akis, and D. K. Ferry -- Chaos in quantum ratchets / H. Linke ... [et al.] -- Statistics of resonances in open billiards / H. Ishio -- The exterior and interior edge states of magnetic billiards: Spectral statistics and correlations / K. Hornberger and U. Smilansky -- Non-universality of chaotic classical dynamics: implications for quantum chaos / M. Wilkinson -- Chaos and interactions in quantum dots / Y. Alhassid -- Stochastic aspects of many-body systems: The embedded Gaussian ensembles / H. A. Weidenmuller -- Quantum-classical correspondence for isolated systems of interacting particles: Localization and ergodicity energy space / F. M. Izrailev -- Effect of symmetry breaking on statistical distributions / G. E. Mitchell and J. F. Shriner, Jr. -- Quantum chaos and quantum computers / D. L. Shepelyansky -- Disorder and quantum chronodynamics - non-linear [symbol] models / T. Guhr and T. Wilke -- Correlations between periodic orbits and their role in spectral statistics / M. Sieber and K. Richeter -- Quantum spectra and wave functions in terms of periodic orbits for weakly chaotic systems / R. E. Prange, R. Narevich and O. Zaitsev -- Bifurcation of periodic orbit as semiclassical origin of superdeformed shell structure / K. Matsuyanagi -- Wavefunction localization and its semiclassical description in a 3-dimensional system with mixed classical dynamics / M. Brack, M. Sieber and S. M. Reimann -- Neutron stars and quantum billiards / A. Bulgac and P. Magierski -- Scars and other weak localization effects in classically chaotic systems / E. J. Heller -- Tunneling and chaos / S. Tomsovic -- Relaxation and fluctuations in quantum chaos / G. Casati -- Rydberg electrons in crossed fields: A paradigm for nonlinear dynamics beyond two degrees of freedom / T. Uzer -- Classical analysis of correlated multiple ionization in strong fields / B. Eckhardt and K. Sacha -- Classically forbidden processes in photoabsorption spectra / J. B. Delos ... [et al.] -- Quantum Hall effect breakdown steps due to an instability of laminar flow against electron-hole pair formation / L. Eaves -- Dynamical and wave chaos in the Bose-Einstein condensate / W. P. Reinhardt and S. B. McKinney -- Wave dynamical chaos: An experimental approach in billiards / A. Richter -- Acoustic chaos / C. Ellegaard, K. Schaadt and P. Bertelsen -- Ultrasound resonances in a rectangular plate described by random matrices / K. Schaadt, G. Simon and C. Ellegaard -- Quantum correlations and classical resonances in an open chaotic system / W. T. Lu ... [et al.] -- Why do an experiment, if theory is exact, and any experiment can at best approximate theory? / H.-J. Stockmann -- Wave-Chaotic optical resonators and lasers / A. D. Stone -- Angular momentum localization in oval billiards / J. U. Nockel -- Chaos and time-reversed acoustics / M. Fink -- Single-mode delay time statistics for scattering by a chaotic cavity / K. J. H. van Bemmel, H. Schomerus and C. W. J. Beenakker.
Author: N.B. Delone Publisher: Springer Science & Business Media ISBN: 3642572081 Category : Science Languages : en Pages : 320
Book Description
This book presents a detailed, modern description of the ionization of atoms by strong laser radiation. The authors present descriptions of processes occurring in atoms under the action of strong electromagnetic radiation, in particular, the shift, broadening, and mixing of atomic states. The topics include tunneling ionization, above-threshold ionization, ionization of multiply charged ions, resonance-enhanced ionization, super-intense radiation fields, and properties of Rydberg states strongly perturbed by laser radiation.
Author: W. Hanle Publisher: Springer Science & Business Media ISBN: 1461339359 Category : Science Languages : en Pages : 811
Book Description
W. HANLE and H. KLEINPOPPEN In 1919, in the first edition of Atombau and Spektrallinien, Sommerfeld referred to the immense amount of information which had been accumu lated during the first period of 60 years of spectroscopic practice. Sommer feld emphasized that the names of Planck and Bohr would be connected forever with the efforts that had been made to understand the physics and the theory of spectral lines. Another period of almost 60 years has elapsed since the first edition of Sommerfeld's famous monograph. As the editors of this monograph, Progress in Atomic Spectroscopy, we feel that the present period is best characterized by the large variety of new spec troscopic methods that have been invented in the last decades. Spectroscopy has always been involved in the field of research on atomic structure and the interaction of light and atoms. The development of new spectroscopic methods (i.e., new as compared to the traditional optical methods) has led to many outstanding achievements, which, together with the increase of activity over the last decades, appear as a kind of renaissance of atomic spectroscopy.
Author: Dmitry Budker Publisher: Oxford University Press, USA ISBN: 9780198509509 Category : Science Languages : en Pages : 460
Book Description
Written as a collection of problems, hints and solutions, this book should provide help in learning about both fundamental and applied aspects of this vast field of knowledge, where rapid and exciting developments are taking place.
Author: Nikolai B. Delone Publisher: Springer Science & Business Media ISBN: 3642975097 Category : Science Languages : en Pages : 332
Book Description
Multiphoton ionization of atoms in intense laser-light fields is gaining ground as a spectroscopic diagnostic tool. In this volume, Delone and Krainov present their and others' theoretical description of the process occurring in atoms under conditions of multi-photon impacts, in particular, the shift, broadening, and mixing of electronic states which complicate the interpretation of spectra. The topics of individual chapters include tunneling ionization, above-threshold ionization, ionization of multiply charged ions, resonance-enhenced ionization, super-intense radiation fields, and properties of Rydberg states in strong fields.
Author: J. P. Connerade
Author: J. P. Connerade
Author: P. Schmelcher
Author: Vladimir S. Lebedev
Author: C.A. Nicolaides
Author: Munir Hasan Nayfeh
Author: Karl-Fredrik Berggren
Author: N.B. Delone
Author: W. Hanle
Author: Dmitry Budker
Author: Nikolai B. Delone