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Books > Science & Mathematics > Physics > Atomic & molecular physics
This volume presents the latest advancements and future developments of atomic, molecular and optical (AMO) physics and its vital role in modern sciences and technologies. The chapters are devoted to studies of a wide range of quantum systems, with an emphasis on understanding of quantum coherence and other quantum phenomena originated from light-matter interactions. The book intends to survey the current research landscape and to highlight major scientific trends in AMO physics as well as those interfacing with interdisciplinary sciences. The volume may be particularly useful for young researchers working on establishing their scientific interests and goals.
Relativistic Effects on Periodic Trends.- Atoms.- Relativistic Atomic Structure and Electron-Atom Collisions.- On the Accuracy of Oscillator Strengths.- Atomic Structure Calculations in Breit-Pauli Approximation.- Relativistic Calculations of Parity Non-Conserving Effects in Atoms.- High Precision Relativistic Atomic Structure Calculations Using the Finite Basis Set Approximation.- Relativistic Calculations of Electron Impact Ionisation Cross-Sections of Highly Charged Ions.- Molecules.- Nonsingular Relativistic Perturbation Theory and Relativistic Changes of Molecular Structure.- Basis Set Expansion Dirac-Fock SCF Calculations and MBPT Refinement.- Comments.- Polyatomic Molecular Dirac-Hartree-Fock Calculations with Gaussian Basis Sets.- Open Shell Relativistic Molecular Dirac-Hartree-Fock SCF-Program.- General Contraction in Four-Component Relativistic Hartree-Fock Calculations.- Accurate Relativistic Dirac-Fock and MBPT Calculations on Argon with Basis Sets of Contracted Gaussian Functions.- Comments.- Relativistic Many-Body Perturbation Theory of Atomic and Molecular Electronic Structure.- Solid State.- Relativistic Density-Functional Theory for Electrons in Solids.- Influence of Relativistic Effects on the Magnetic Moments and Hyperfine Fields of 5d-Impurity Atoms Dissolved in Ferromagnetic Fe.- Relativistic Spin-Polarized Density-Functional Theory: Simplified Method for Fully Relativistic Calculations.- Theory of Magnetocrystalline Anisotropy.- The Spin Polarized Photoemission from Non-Magnetic Metals.- Theory of Magnetic X-Ray Dichroism.- Participants.
A Modern View of Hadrons; H. Georgi. Hadron Production and Structure at Small Distances; B.R. Webber. The Physics of GBPIiGBP and D Mesons; M.S. Witherell. Top Quark Physics at Hadron Colliders; W.C. Carithers, Jr. New Directions in Calorimetry; W.J. Willis. Index.
Short Historical Overview In the 1940s, two phenomena in the ?eld of cosmic rays (CR) forced scientists to think that the Sun is a powerful source of high-energy particles. One of these was discovered because of the daily solar variation of CR, which the maximum number of CR observed near noon (referring to the existence of continuous ?ux of CR from the direction of the Sun); this became the experimental basis of the theory that CR's originate from the Sun (or, for that matter, from within the solar system) (Alfven 1954). The second phenomenon was discovered when large ?uxes of high energy particles were detected from several solar ?ares, or solar CR. These are the - called ground level events (GLE), and were ?rst observed by ionization chambers shielded by 10 cm Pb (and detected mainly from the secondary muon-component CR that they caused) during the events of the 28th of February 1942, the 7th of March 1942, the 25th of July 1946, and the 19th of November 1949. The biggest such event was detected on the 23rd of February 1956 (see the detailed description in Chapters X and XI of Dorman, M1957). The ?rst phenomenon was investigated in detail in Dorman (M1957), by ?rst correcting experimental data on muon temperature effects and then by using coupling functions to determine the change in particle energy caused by the solar-diurnal CR variation."
The First Nuclear Era is Alvin Weinberg's autobiography, the memoirs of a most influential American nuclear engineer/physicist. These reminiscences date from the dawning of the nuclear age in the early 1940s to the present. It is the story of one notable scientist's life and times and a look back at one of humankind's most ambitious endeavors: the attempt to harness and safely distribute nuclear power. Weinberg has witnessed and played a major part in many of the defining scientific moments of his era. Here he describes his academic career at the University of Chicago, under the tutelage of Nicolas Rashevsky and Carl Eckart. He recalls his wartime days at the Manhattan Project's Chicago Metallurgical Laboratory where he helped Nobelist Eugene Wigner design the Hanford plutonium producing reactors. He then focuses on what would become the abiding legacy of his professional life: his development of and involvement with nuclear reactors. In discussing both great commercial successes (such as the Light-Water Reactor) and unsuccessful experiments, Weinberg offers an objective critique of the technical and political shortcomings that have haunted the nuclear age. He also demonstrates how the lessons learned from unsuccessful reactors paved the way for later triumphs.
The book presents the following counterintuitive theoretical results breaking several paradigms of quantum mechanics and providing alternative interpretations of some important phenomena in atomic and molecular physics. 1) Singular solutions of the Schroedinger and Dirac equations should not have been always rejected: they can explain the experimental high-energy tail of the linear momentum distribution in the ground state of hydrogenic atoms. Application: a unique way to test intimate details of the nuclear structure by performing atomic (rather than nuclear) experiments and calculations. 2) Charge exchange is not really an inherently quantal phenomenon, but rather has classical roots. Application: continuum lowering in plasmas. 3) The most challenging problem of classical physics that led to the development of quantum mechanics - the failure to explain the stability of atoms - can be solved within a classical formalism that has its roots in Dirac's works. The underlying physics can be interpreted as a non-Einsteinian time dilation. 4) In two-electron atoms/ions, the spin-spin interaction (singular in its nature), usually considered unimportant, makes a significant contribution to the binding energy. 5) In magnetized plasmas the standard Inglis-Teller concept, concerning the number of observed lines in spectral series of hydrogen, breaks down. Application: new plasma diagnostic. 6) Extrema in transition energies of molecules/quasimiolecules can result in dips (rather than usually considered satellites) within spectral lines. Application: the experimental determination of rates of charge exchange between multicharged ions - important for magnetic fusion in Tokamaks, for population inversion in the soft x-ray and VUV ranges, for ion storage devices, and for astrophysics.
Features Covers both basic introductory topics, in addition to more advanced content Accompanied by over 200 problems starting from group algebra to the derivation of Migdal-Makeenko equations, Kim - Shifman - Vainshtein - Zakharov axion, and gluon + gluon to Higgs cross section, etc. Solutions are incorporated into the chapters to test understanding
The book is a quantitative treatment of the theory and natural variations of light stable isotopes, and includes more than 100 original applications. Isotope distribution is rigorously discussed in the context of fractionation processes, thermodynamics, mass conservation, exchange kinetics and diffusion theory. The theoretical principles are illustrated with natural examples, emphasizing oygen and hydrogen isotope variations in natural waters, terrestrial and extraterrestrial rocks, and hydrothermal systems. New data on meteoric precipitation, rivers, and hydrothermal systems are included.
This book explores the relationship between Dickens's novels and the financial system. Elements of Dickens's work form a critique of financial capitalism. This critique is rooted in the difference between use-value and exchange-value, and in the difference between productive circulations and mere accumulation. In a money-based society, exchange-value and accumulation dominate to the point where they infect even the most important and sacred relationships between parts of society and individuals. This study explores Dickens's critique from two very different points of view. The first is philosophical, from Aristotle's distinction between "chrematistic" accumulation and "economic" use on money through Marx's focus on the teleology of capitalism as death. The second view is that of nineteenth-century financial journalism, of "City" writers like David Morier Evans and M. L. Meason,, who, while functioning as "cheerleaders" for financial capitalism, also reflected some of the very real "dis-ease" associated with capital formation and accumulation. The core concepts of this critique are constant in the novels, but the critique broadens and becomes more pessimistic over time. The ill effects of living in a money-based society are presented more as the consequences of individual evil in earlier novels, while in the later books they are depicted as systemic and pervasive. Texts discussed include Nicholas Nickleby, A Christmas Carol, Little Dorrit and Our Mutual Friend.
The Lectures: Conjugated Polymers in Layered Hosts; M.G. Kanatzidis, et al. Staging in Intercalated Graphites, Polymers, and Fullerenes; E.J. Mele. Seminars and Communications: Size-Mismatch Melting in Two Dimensions; N. Mousseau, M.F. Thorpe. Tight Binding Molecular Dynamics for Intercalation Chemistry; M. Menon, et al. Local Oscillator Model for Superconducting Fullerenes; Z. Gedik, S. Ciraci. Some Optical Properties of Fullerenes; B. Friedman. Photoluminescence of Solid State Fullerenes; H.J. Byrne, et al. Magnetic Properties of Alkali Metal Intercalated Fullerides; P. Byszewski, et al. Charge Transport and Percolation in Conducting Polymers; J. Voit. Overview on the Chemistry of Intercalation in Graphite of Binary Metallic Alloys; P. Lagrange. Mineralomimetic Inclusion Behavior of Cadmium Cyanide Systems; T. Iwamoto, et al. 36 additional articles. Index.
"Blurb & Contents" "Marvelous reading, with few problems of the interaction between science/technology and society left untouched. One need not always agree, but one cannot come away without a better education....I found the parts on scientific administration and on the interaction of science and society excellent and provocative reading, and the parts on energy and nuclear energy very much to the point." American Journal of Physics Alvin Weinberg explores through these collected essays the ever troublesome relationship between science, technology, and society. The title is taken from Weinberg's assertion that most of the issues arising at the intersection of science and society depend upon answers to questions that lie outside the power of science--issues that are trans-scientific. Weinberg, who during World War II helped develop the first nuclear reactors, has much to say on the current role of nuclear power and the possibilities for the future. Other topics include strategic defenses and arms control, the role of the science administrator, and the way in which time, energy, and resources are allocated to public problems. In this remarkable record of a half- century of public-oriented work, Weinberg lays the foundation for a philosophy of scientific administration parallel to the more established philosophy of science.
Invited Papers.- Theory of Electron Collisions in Partially Ionized Gases.- Electron Collisions with Molecules.- Electron Transport in Partially Ionized Gases.- Non Equilibrium Plasma Kinetics.- Modeling High Pressure Electric Discharges: Applications to Excimer Lasers.- Energy Transfer in Atom/Molecule Collisions with Molecules and Surfaces.- Reactivity Calculations for Elementary Atom-Diatom Processes and Applications to Non-Equilibrium Systems.- Excimer Lasers: Status and Perspectives.- Fundamental Properties of RF Glow Discharges: An Approach Based on Self-Consistent Numerical Models.- Theory of High-Frequency Discharges.- Volume Production of Hydrogen Negative Ions.- Laser Diagnostics of a Hydrogen Discharge.- Hydrogen-Surface Interactions.- Plasma Assisted Thin Film Production WC, a-C: H and Diamond Films.- Electric Discharge Lamps.- Contributed Papers.- Inelastic Scattering of Electrons From H2 Molecule and First-Born Approximation: Role Of Correlation.- Electron-Molecule Collision Cross Sections for Etching Gases.- Electron Collisions in Gas Switches.- Theory of e- -Diatom Scattering at Low Energies.- A Parameter-Free Theoretical Model for Low-Energy Electron Scattering from Polyatomic Molecules.- Electron Collision Cross-Sections Determined from Beam and Swarm Data by Boltzmann Analysis.- Electron Collision Cross Sections Involving Excited States.- Electron Collision Cross Sections Involving Excited States.- New Theoretical Approaches for Studying Electron Collisions with Small Molecules.- Ion-Neutral Reactions.- Energy Pooling Collisions: A Step Towards Ionization.- Potential Energy Curves of Open Shell Systems (Excimers) from Molecular Beam Scattering.- Molecular Beam Measurements of Ionization Cross Sections Relevant to Thermal Plasmas and Excimer Laser Systems.- The Silent Discharge and Its Application to Ozone and Excimer Formation.- Non Equilibrium Excimer Laser Kinetics.- Study of A Photoswitched Discharge for Excimer Laser.- A Self-Consistent Monte Carlo Modeling of RF Non-Equilibrium Plasma.- Charged Particles Dynamics in Electropositive Glow Discharges Probed by Optical Diagnostics.- Problems in the Experimental Determination of Electron Energy Distribution Function in RF Discharges.- Spectroscopic Diagnostics in the Cathode Fall and Negative Glow of a Nitrogen Glow Discharge.- Electron Kinetics in RF Discharges.- A Radiofrequency Trap for Tests on Production and Excitation of Ions.- Gas-Phase and Gas-Surface Interactions of Vibrationally Excited Hydrogen Molecules.- Translational Energy Distribution Functions of H+ and H in H2 Volume Discharges.- Numerical Simulation on Tandem Negative Ion Source.- Atomic and Molecular Surface and Volume Processes in the Analysis of Negative Hydrogen Discharges.- Interpretation and Analysis of the H2 Vibrational Distribution in a Hydrogen Discharge.- Electron Energy Distribution Functions in Magnetic Multipole Plasmas.- Effects Due to Negative Ions and Particles in Plasmas.- Electron and Vibrational Kinetics in Molecular Discharges.- Laser Diagnostic of Radio-Frequency Oxygen Plasma.- Spectroscopy and Kinetics of an Oxygen Glow Discharge.- Simulation Work in Noble Gas Radiation Detectors.- A Description of The Non-Equilibrium Behavior of Electrons in Matter: Macro-Kinetics.- Thermalization and Transport of Sputtered Particles in Glow Discharges.- The Free Electron Laser: A Simple Quantum Picture.- Electron and Photon Collisions in Strong Laser Fields.- Resonant Photopumping of Lithiumlike Ions in Laser-Produced Plasmas.- Ionization and Deionization of Electron Beam Disturbed Air.- Re-Entry Problems.- Diagnostics of Atomic Species Near the Electrodes of a Fluorescent Lamp.- Excited State Diagnostics in High Pressure Arc Lamps.- Participants
Super Light Water Reactors and Super Fast Reactors provides an overview of the design and analysis of nuclear power reactors. Readers will gain the understanding of the conceptual design elements and specific analysis methods of supercritical-pressure light water cooled reactors. Nuclear fuel, reactor core, plant control, plant stand-up and stability are among the topics discussed, in addition to safety system and safety analysis parameters. Providing the fundamentals of reactor design criteria and analysis, this volume is a useful reference to engineers, industry professionals, and graduate students involved with nuclear engineering and energy technology.
This book describes the theory of how processes on the unobservable molecular scale give rise to observable effects such as diffusion and electrical noise on the macroscopic or laboratory scale. It puts the modern theory into historical context, and features new applications, statistical mechanics derivations, and the mathematical background of the topic.
The aim of this book is to present review articles describing the latest theoretical and experimental developments in the field of cold atoms and molecules. Our hope is that this series will promote research by both highlighting recent breakthroughs and by outlining some of the most promising research directions in the field.
The Oskar Klein Memorial Lecture series has become a very successful tradition in Swedish physics since it started in 1988. Theoretical high-energy physics dominates the subjects of the lectures, mirroring one of Klein's own main interests.This single volume is a compilation of the unique lectures previously produced in three separate volumes. The lectures are by world renowned experts in physics who have all contributed to the excitement of the field over the years. They continue to be of value to students and teachers alike.
This book provides a broad and complete introductions to the molecular structure, novel and anomalous properties, nonlinear excitations, soliton motions, magnetization, and biological effects of water. These subjects are described by both experimental results and theoretical analyses. These contents are very interesting and helpful to elucidate and explain the problem of "what is on earth water". This book contains the research results of the author and plenty of scientists in recent decades."Water: Molecular Structure and Properties" is self-contained and unified in presentation. It may be used as an advanced textbook by graduate students and even ambitious undergraduates in Physics and Biology. It is also suitable for the researchers and engineers in Physics, Biology and water science.
Into the short compass of this book, Professor Graetz has succeeded in compressing an eminently readable survey of the directions in which the atomic theory, as accepted in the nineteenth century, has been extended by the remarkable and almost revolutionary physical investigations and discoveries of the two decades preceding the book's original publication in 1923.
Summarising the most novel facts and theories which were coming into prominence at the time, particularly those which had not yet been incorporated into standard textbooks, this important work was first published in 1921. The subjects treated cover a wide range of research that was being conducted into the atom, and include Quantum Theory, the Bohr Theory, the Sommerfield extension of Bohr's work, the Octet Theory and Isotopes, as well as Ionisation Potentials and Solar Phenomena. Because much of the material of Atomic Theories lies on the boundary between experimentally verified fact and speculative theory, it indicates in a unique way how the future of physics was perceived at the time of writing. It thus throws into stark relief not only the immense advances made since the 1920s, but also, perhaps, highlights the importance of not rigidly adhering to a particular program of future discoveries.
Describing and discussing the use of theoretical models as an alternative to experiments in making accurate predictions of chemical phenomena, this book addresses the formulation of theoretical molecular orbital models starting from quantum mechanics, and compares them to experimental results. It draws on a series of models that have already received widespread application and are available for new applications.
There is much recent interest in the field of molecular gels because of their potential use in many different applications, including biomedicine and electronic materials. Functional Molecular Gels details the latest research on molecular gels from the fundamentals of molecular gel formation to their uses in a variety of fields. This book introduces the key concepts of designing molecular gels and their characterisation techniques, followed by chapters discussing different stimuli-responsive systems. Specific chapters are then dedicated to their diverse range of applications, including catalysis, tissue engineering, photonic materials and as templates for nanostructured materials. Written by active researchers in the area, this book gives a taste of the possibilities that molecular gels offer for those both new to and already working in the area.
The aim of the workshop was to bring together specialists in various fields where non-exponential relaxation is observed in order to compare models and experimental results and to examine the general physical principles governing this type of behaviour. Non-exponential relaxation is found in extremely diverse physical systems all of which can be classified as complex. The form of the relaxation is generally parametrized using logarithmic, algebraic or stretched exponential decay forms. The conceptually simplest mechanism for the non-exponential decay is a spectrum of relaxation rates due to non-interacting units each of which relaxes with a different intrinsic time constant. Clear experimental examples can be given where for instance the relaxation of a collection of isolated polymer molecules leads to an overall stretched exponential decay. Non-exponential relaxation is observed in all strongly interacting complex systems (structural glasses, spin glasses, etc ... ) where each elementary unit is in interaction with many other units.
Atomic and molecular beams are employed in physics and chemistry experiments and, to a lesser extent, in the biological sciences. These beams enable atoms to be studied under collision-free conditions and allow the study of their interaction with other atoms, charged particles, radiation, and surfaces. Atomic and Molecular Beams: Production and Collimation explores the latest techniques for producing a beam from any substance as well as from the dissociation of hydrogen, oxygen, nitrogen, and the halogens. The book not only provides the basic expressions essential to beam design but also offers in-depth coverage of: Design of ovens and furnaces for atomic beam production Creation of atomic beams that require higher evaporation temperatures Theory of beam formation including the Clausing equation and the transmission probability Construction of collimating arrays in metals, plastics, glass, and other materials Optimization of the design of atomic beam collimators While many review articles and books discuss the application of atomic beams, few give technical details of their production. Focusing on practical application in the laboratory, the author critically reviews over 800 references to compare the atomic and molecular beam formation theories with actual experiments. Atomic and Molecular Beams: Production and Collimation is a comprehensive source of material for experimentalists facing the design of any atomic or molecular beam and theoreticians wishing to extend the theory. |
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