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Author : Yuri Kravchenko
Publisher :
ISBN 13 : 9789155441197
Total Pages : 37 pages
Book Rating : 4.4/5 (411 download)
Download or read book Hydrogen Atoms and Molecules in Strong Magnetic Fields written by Yuri Kravchenko and published by . This book was released on 1997 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Schmelcher
Publisher : Springer Science & Business Media
ISBN 13 : 0306470748
Total Pages : 330 pages
Book Rating : 4.3/5 (64 download)
Download or read book Atoms and Molecules in Strong External Fields written by P. Schmelcher and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : C.A. Nicolaides
Publisher : Springer Science & Business Media
ISBN 13 : 1475793340
Total Pages : 532 pages
Book Rating : 4.4/5 (757 download)
Download or read book Atoms in Strong Fields written by C.A. Nicolaides and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Hanns Ruder
Publisher : Springer Science & Business Media
ISBN 13 : 3642788203
Total Pages : 314 pages
Book Rating : 4.6/5 (427 download)
Download or read book Atoms in Strong Magnetic Fields written by Hanns Ruder and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: A clear and accessible introduction to quantum mechanical methods used to calculate properties of atoms exposed to strong magnetic fields in both laboratory and stellar environments, with the emphasis on hydrogen and helium and their isoelectronic sequences. The results of the detailed calculations are listed in tables, making it a useful handbook for astrophysicists and atomic physicists alike.
Author : H. S. Brandi
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (931 download)
Download or read book Addendum to Hydrogen Atoms in Strong Magnetic Fields written by H. S. Brandi and published by . This book was released on 1975 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.R. Rau
Publisher : Springer Science & Business Media
ISBN 13 : 030647820X
Total Pages : 252 pages
Book Rating : 4.3/5 (64 download)
Download or read book Astronomy-Inspired Atomic and Molecular Physics written by A.R. Rau and published by Springer Science & Business Media. This book was released on 2005-12-11 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at senior undergraduate and first-year graduate students in departments of physics and astronomy, this textbook gives a systematic treatment of atomic and molecular structure and spectra, together with the effect of weak and strong external electromagnetic fields. Topics chosen are those of interest in astronomy, and indeed many were inspired by specific astronomical contexts. Examples include the negative ion of hydrogen and the effects of strong magnetic fields such as those occurring on certain white dwarfs and neutron stars. Adiabatic and non-adiabatic handling of electron correlations and application to processes such as dielectronic recombination are included. Astronomical examples are provided throughout, as well as end-of-the-chapter problems and exercises. Over seventy illustrative diagrams complete this unique and comprehensive volume.
Author : R. R. Santos
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (931 download)
Download or read book Hydrogen Atom in Strong Magnetic Fields written by R. R. Santos and published by . This book was released on 1975 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fritz Herlach
Publisher : World Scientific
ISBN 13 : 9814490547
Total Pages : 281 pages
Book Rating : 4.8/5 (144 download)
Download or read book High Magnetic Fields: Science And Technology (In 3 Volumes) - Vol. 2 written by Fritz Herlach and published by World Scientific. This book was released on 2003-10-06 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-volume book provides a comprehensive review of experiments in very strong magnetic fields that can only be generated with very special magnets. The first volume is entirely devoted to the technology of laboratory magnets: permanent, superconducting, high-power water-cooled and hybrid; pulsed magnets, both nondestructive and destructive (megagauss fields). Volumes 2 and 3 contain reviews of the different areas of research where strong magnetic fields are an essential research tool. These volumes deal primarily with solid-state physics; other research areas covered are biological systems, chemistry, atomic and molecular physics, nuclear resonance, plasma physics and astrophysics (including QED).
Author : Eugene S. Kryachko
Publisher : Springer Science & Business Media
ISBN 13 : 9401108528
Total Pages : 257 pages
Book Rating : 4.4/5 (11 download)
Download or read book Conceptual Trends in Quantum Chemistry written by Eugene S. Kryachko and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rivers run into the sea, yet the sea is not full Ecclesiastes What is quantum chemistry? The straightforward answer is that it is what quan tum chemists do. But it must be admitted, that in contrast to physicists and chemists, "quantum chemists" seem to be a rather ill-defined category of scientists. Quantum chemists are more or less physicists (basically theoreticians), more or less chemists, and by large, computationists. But first and foremost, we, quantum chemists, are conscious beings. We may safely guess that quantum chemistry was one of the first areas in the natural sciences to lie on the boundaries of many disciplines. We may certainly claim that quantum chemists were the first to use computers for really large scale calculations. The scope of the problems which quantum chemistry wishes to answer and which, by its unique nature, only quantum chemistry can only answer is growing daily. Retrospectively we may guess that many of those problems meet a daily need, or are say, technical in some sense. The rest are fundamental or conceptual. The daily life of most quantum chemists is usually filled with grasping the more or less technical problems. But it is at least as important to devote some time to the other kind of problems whose solution will open up new perspectives for both quantum chemistry itself and for the natural sciences in general.
Author : J. P. Connerade
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.F/5 ( download)
Download or read book Atomic and Molecular Physics Close to Ionization Thresholds in High Fields, 7-11 Juin 1982, Aussois (France) written by J. P. Connerade and published by . This book was released on 1982 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fritz Herlach
Publisher : World Scientific
ISBN 13 : 9812774874
Total Pages : 281 pages
Book Rating : 4.8/5 (127 download)
Download or read book High Magnetic Fields written by Fritz Herlach and published by World Scientific. This book was released on 2003 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-volume book provides a comprehensive review of experiments in very strong magnetic fields that can only be generated with very special magnets. The first volume is entirely devoted to the technology of laboratory magnets: permanent, superconducting, high-power water-cooled and hybrid; pulsed magnets, both nondestructive and destructive (megagauss fields). Volumes 2 and 3 contain reviews of the different areas of research where strong magnetic fields are an essential research tool. These volumes deal primarily with solid-state physics; other research areas covered are biological systems, chemistry, atomic and molecular physics, nuclear resonance, plasma physics and astrophysics (including QED).
Author : T. O. Hansen
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (246 download)
Download or read book Hydrogen and Helium Atoms in Strong Magnetic Fields written by T. O. Hansen and published by . This book was released on 1983 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hermann Haken
Publisher : Springer Science & Business Media
ISBN 13 : 3540292810
Total Pages : 527 pages
Book Rating : 4.5/5 (42 download)
Download or read book The Physics of Atoms and Quanta written by Hermann Haken and published by Springer Science & Business Media. This book was released on 2006-05-24 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: The highly positive affirmation and wide reception that this book continues to receive from professors and students ahke is the occasion for this 7th edition. Once again we have included a number of valuable suggestions for improvements, which we address as appropriate. In addition, we refer to a number of developments in atomic physics. Of these new developments in regard to exotic atoms, we mention antihydrogen in par ticular, because fundamental experiments in matter and antimatter can be expected in the future. Furthermore, we have inserted a chapter on the behaviour of atoms in strong elec trical fields. Experiments with corresponding lasers could only recently be realized. We thank our Jenaer colleague, R. Sauerbrey, for his contribution of this chapter. We have also included a new chapter on the behaviour of the hydrogen atom in strong magnetic fields. The results are of profound interest for two very different fields of physics: on the one hand, according to classical physics, one expects chaotic behaviour from Rydberg atoms in magnetic fields that can be created in the laborato ry; thus, an association can be drawn to aspects of chaos theory and the problems of quantum chaos. On the other hand, the very strong fields necessary for low quantum numbers are realized in the cosmos, in particular with white dwarfs and neutron stars.
Author : Trygve Helgaker
Publisher : John Wiley & Sons
ISBN 13 : 1119019559
Total Pages : 949 pages
Book Rating : 4.1/5 (19 download)
Download or read book Molecular Electronic-Structure Theory written by Trygve Helgaker and published by John Wiley & Sons. This book was released on 2014-08-11 with total page 949 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ab initio quantum chemistry has emerged as an important tool in chemical research and is appliced to a wide variety of problems in chemistry and molecular physics. Recent developments of computational methods have enabled previously intractable chemical problems to be solved using rigorous quantum-mechanical methods. This is the first comprehensive, up-to-date and technical work to cover all the important aspects of modern molecular electronic-structure theory. Topics covered in the book include: * Second quantization with spin adaptation * Gaussian basis sets and molecular-integral evaluation * Hartree-Fock theory * Configuration-interaction and multi-configurational self-consistent theory * Coupled-cluster theory for ground and excited states * Perturbation theory for single- and multi-configurational states * Linear-scaling techniques and the fast multipole method * Explicity correlated wave functions * Basis-set convergence and extrapolation * Calibration and benchmarking of computational methods, with applications to moelcular equilibrium structure, atomization energies and reaction enthalpies. Molecular Electronic-Structure Theory makes extensive use of numerical examples, designed to illustrate the strengths and weaknesses of each method treated. In addition, statements about the usefulness and deficiencies of the various methods are supported by actual examples, not just model calculations. Problems and exercises are provided at the end of each chapter, complete with hints and solutions. This book is a must for researchers in the field of quantum chemistry as well as for nonspecialists who wish to acquire a thorough understanding of ab initio molecular electronic-structure theory and its applications to problems in chemistry and physics. It is also highly recommended for the teaching of graduates and advanced undergraduates.
Author : E. S. Borovik
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (227 download)
Download or read book Ionization of Fast Hydrogen Atoms in a Strong Magnetic Field (ionizatsiya Bystrykh Atomov Vodoroda V Silnom Magnitnom Pole). written by E. S. Borovik and published by . This book was released on 1967 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The article describes briefly the results of preliminary experiments to determine the fraction, alpha, of 30-kev hydrogen atoms ionized by a Lorentz force in a magnetic field with an intensity of up to 60 kilooersteds. Unlike Sweetman's experiments, in which the value of alpha was estimated from the flux of neutrals produced by the charge transfer of the trapped ions, this study made direct measurements of the number of ions formed when a beam of neutral hydrogen atoms passes through a magnetic field. (Author).
Author : Lutz Fechner
Publisher : Springer
ISBN 13 : 3319320467
Total Pages : 158 pages
Book Rating : 4.3/5 (193 download)
Download or read book High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules written by Lutz Fechner and published by Springer. This book was released on 2016-04-26 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the ionization of atoms and small molecules in strong laser fields is experimentally studied using a reaction microscope. The population of autoionizing doubly excited states in the laser fields is proven and a possible connection to the well-known dielectronic recombination processes is discussed. The fundamental process of tunnel ionization in strong laser fields is subject of investigation in a pump-probe experiment with ultrashort laser pulses. A coherent superposition of electronic states in singly charged argon ions is created within the first, and subsequently tunnel-ionized with the second pulse. This gives access to state-selective information about the tunneling process and allows to test common models. Moreover, the ionization of krypton and argon at different wavelengths is studied, from the multiphoton to the tunneling regime. The wavelength-dependent investigations are furthermore extended to molecular hydrogen. In addition to ionization, this system might undergo different dissociative processes. Channel-selective electron momentum distributions are presented and compared to each other.
Author : G. Franco Bassani
Publisher : Springer Science & Business Media
ISBN 13 : 3642884210
Total Pages : 360 pages
Book Rating : 4.6/5 (428 download)
Download or read book The Hydrogen Atom written by G. Franco Bassani and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic hydrogen, the simplest of all stable atoms, has been a challenge to spectroscopists and theoreticians for many years. Here, as in similar systems like positronium, muonium and possibly helium, the accuracy of theoretical predictions is comparable to that of experimental measurements. Hence exciting confrontations are possible. This together with expected large experimental improvements explains the strong interest in the symposium held in Pisa in June-July 1988. The resulting book completely covers the precision spectroscopy of atomic hydrogen and hydrogen-like systems, and also discusses aspects of QED and the influence of strong fields.
