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Problems Of Quantum Electrodynamics In Heavy Ion Collisions
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Book Synopsis Problems of Quantum Electrodynamics in Heavy-ion Collisions by :
Download or read book Problems of Quantum Electrodynamics in Heavy-ion Collisions written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of heavy ion reactions in studying basic problems of very strongly bound particles is discussed. Specifically, the fusion of two heavy nuclei, e.g., u + u, to form a superheavy quasimolecule is considered theoretically, with suggestions given for possible experiments. (12 figures) (SDF).
Book Synopsis Quantum Electrodynamics of Strong Fields by : Walter Greiner
Download or read book Quantum Electrodynamics of Strong Fields written by Walter Greiner and published by Springer. This book was released on 1983-02 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NATO Advanced Study Institute on Quantum Electrodynamics of Strong Fields was held at Lahnstein on the Rhine from 15-26 June, 1981. The school was devoted to the advances, theoretical and exper imental, in the physics of strong fields made during the past decade. The topic of the first week was almost exclusively quantum electrodynamics, with discussions of symmetry breaking in the ground state, of the physics of heavy ion collisions and of precision tests of perturbative quantum electrodynamics. This was followed in the second week by the presentation of a broad range of other areas where strong fields occur, reaching from nuclear physics over quantum chromodynamics to gravitation theory and astrophysics. We were fortunate to be able to call on a body of lecturers who not only have made considerable personal contributions to these advances but who are also noted for their lecturing skills. Their dedication for their subject was readily transmitted to the stu dents resulting in a very successful school. This enthusiasm is also reflected in their contributions to these Proceedings which, as I believe, will in time become a standard source of reference for future work on the physics of strong fields and will help to spread the benefits of the school to a larger audience than those who were able to attend. I regret that the Soviet colleagues Ya. B. Zeldovich and V. S. Popov were unable to participate.
Book Synopsis Quantum Electrodynamics of Strong Fields by : Walter Greiner
Download or read book Quantum Electrodynamics of Strong Fields written by Walter Greiner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental goal of physics is an understanding of the forces of nature in their simplest and most general terms. Yet there is much more involved than just a basic set of equations which eventually has to be solved when applied to specific problems. We have learned in recent years that the structure of the ground state of field theories (with which we are generally concerned) plays an equally funda mental role as the equations of motion themselves. Heisenberg was probably the first to recognize that the ground state, the vacuum, could acquire certain prop erties (quantum numbers) when he devised a theory of ferromagnetism. Since then, many more such examples are known in solid state physics, e. g. supercon ductivity, superfluidity, in fact all problems concerned with phase transitions of many-body systems, which are often summarized under the name synergetics. Inspired by the experimental observation that also fundamental symmetries, such as parity or chiral symmetry, may be violated in nature, it has become wide ly accepted that the same field theory may be based on different vacua. Practical ly all these different field phases have the status of more or less hypothetical models, not (yet) directly accessible to experiments. There is one magnificent ex ception and this is the change of the ground state (vacuum) of the electron-posi tron field in superstrong electric fields.
Book Synopsis Nonequilibrium Dynamics of the Quark-gluon Plasma in Heavy Ion Collisions by :
Download or read book Nonequilibrium Dynamics of the Quark-gluon Plasma in Heavy Ion Collisions written by and published by . This book was released on 1997 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the final report of a three-year, Laboratory Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). We have developed field theory and numerical methods for the general problem of quantum back reaction on classical fields, with applications to a wide variety of physical systems. Our main focus was on particle production processes in the time evolution of the quark-gluon plasma following an ultrarelativistic heavy-ion collision. In particular, we studied in some detail the evolution of a disoriented chiral condensate (DCC) produced in the chiral phase transition of nuclear matter in heavy-ion collision experiments. We have also studied dissipation and decoherence as a result of particle production in time-varying mean fields. Numerical codes previously developed for particle production in strong electric fields in quantum electrodynamics (QED) have been modified for the quantum chromodynamics (QCD) problem. We have made specific predictions for energy-momentum flow and pion production in the central rapidity region of experiments to be performed at the Relativistic Heavy-Ion Collider (RHIC).
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vacuum Structure in Intense Fields by : H.M. Fried
Download or read book Vacuum Structure in Intense Fields written by H.M. Fried and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Advanced Study Institute (ASI) brought together two distinct ·"schools of approach" to Quantum Electrodynamics (QED) in the presence of intense, external, electromagnetic fields, in an effort to lay a joint foundation for a needed theoretical explanation of the sharp e+ e- "resonances" observed in the scattering of very heavy IOns. These (GSI/Darmstadt) experiments, whose history, latest reconfirmations, and most recent data were presented in three opening sessions (Bokemeyer, Koenig), show a smooth background of positron (e+) production, as a function of e+ kinetic energy. Superimposed upon this background are four very sharp peaks, of narrow widths (~ 30 KeV) and of clear experimental significance ('" 5 standard deviations). Most ofthese peaks correspond to sharp, essentially back-to-back electron-positron emission in the ions' center of mass. Following the approach of "supercritical" potential theory (SPT), where the total ionic charge unit Z satisfies Z > 137, it has been possible to provide a detailed and apparently correct understanding of the smooth e+ e- background; a coherent description of different facets of this approach, emphasizing the nature of the charged, supercritical vacuum, was described by the authors responsible for the invention of SPT (Greiner, Muller, Rafelski). In addition, predictions for related phenomena were outlined by other lecturers using the SPT approach (Bawin, Soff, SsJrensen).
Book Synopsis Fundamental Problems in Heavy-ion Collisions by : Nikola Cindro
Download or read book Fundamental Problems in Heavy-ion Collisions written by Nikola Cindro and published by . This book was released on 1984 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :724 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1976 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantum Theory of High-Energy Ion-Atom Collisions by : Dzevad Belkic
Download or read book Quantum Theory of High-Energy Ion-Atom Collisions written by Dzevad Belkic and published by CRC Press. This book was released on 2008-11-13 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the Top Selling Physics Books according to YBP Library Services Suitable for graduate students, experienced researchers, and experts, this book provides a state-of-the-art review of the non-relativistic theory of high-energy ion-atom collisions. Special attention is paid to four-body interactive dynamics through the most important theoretical methods available to date by critically analyzing their foundation and practical usefulness relative to virtually all the relevant experimental data. Fast ion-atom collisions are of paramount importance in many high-priority branches of science and technology, including accelerator-based physics, the search for new sources of energy, controlled thermonuclear fusion, plasma research, the earth’s environment, space research, particle transport physics, therapy of cancer patients by heavy ions, and more. These interdisciplinary fields are in need of knowledge about many cross sections and collisional rates for the analyzed fast ion-atom collisions, such as single ionization, excitation, charge exchange, and various combinations thereof. These include two-electron transitions, such as double ionization, excitation, or capture, as well as simultaneous electron transfer and ionization or excitation and the like—all of which are analyzed in depth in this book. Quantum Theory of High-Energy Ion-Atom Collisions focuses on multifaceted mechanisms of collisional phenomena with heavy ions and atoms at non-relativistic high energies.
Book Synopsis Quantum Electrodynamics by : Efim Samoĭlovich Fradkin
Download or read book Quantum Electrodynamics written by Efim Samoĭlovich Fradkin and published by Springer Series in Synergetics. This book was released on 1991 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a systematic analysis of the formalisms of quantum electro- dynamics in the presence of an intense external field able to create pairs from the vacuum, and thereby violate the stability of the latter. The approach developed is not specific to quantum electrodynamics, and can equally well be applied to any quantum field theory with an unstable vacuum. It should be noted that only macroscopic external fields are considered, whereas problems associated with the superstrong Coulomb (micro) field are not treated. As a rule, the discussion is confined to those details of the formalism and calculations that are specific to the instability property. For instance, renormalization is not discussed here since, in practical calculations, it is carried out according to standard methods. The presentation is based mainly on original research undertaken by the authors. Chapter 1 contains a general introduction to the problem. It also presents some standard information on quantum electrodynamics, which will be used later in the text. In addition, an interpretation of the concept of an external field is given, and the problems that arise when one tries to keep the interaction with the external field exactly are discussed. In Chapter 2, the perturbation expansion in powers of the radiative interac- tion is developed for the matrix elements of transition processes, taking the arbitrary external field into account exactly.
Book Synopsis Atoms in Unusual Situations by : Jean P. Briand
Download or read book Atoms in Unusual Situations written by Jean P. Briand and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic Physics is certainly the oldest field in which Quantum Mechanics has been used and has provided the most significant proofs of this new theory. Most of the basic concepts, except those more recently developed in field quantization, have been understood for quite a time. Atomic Physics began to serve as a basis for other fields such as molecu lar, solid state or nuclear physics. A renewal of interest in Atomic Physics began in the sixties, after the discovery of Quantum Electro dynamics, and later when it provided some basic tests of fundamental questions like parity violation, time reversal or Dirac theory. More recently the development of new technologies led to the ex ploration of very extreme cases in which the most secrete aspects of atoms have been observed. - Rydberg states where the atoms are so big that they can be described by classical theories; - Heavy or super-heavy ions or exotic atoms where unknown QED or relativistic effects can be observed (very heavy hydrogenlike or helium like ions, positron production in very violent collisions ••. ); - Huge external perturbations as those appearing in super-dense plasmas or ultra-high fields. The aim of this school was to gather atomic physicists from all over the world working in all these areas of Atomic Physics.
Book Synopsis Relativistic and QED Effects in Heavy Atoms by : Hugh P. Kelly
Download or read book Relativistic and QED Effects in Heavy Atoms written by Hugh P. Kelly and published by AIP Conference Proceedings (Nu. This book was released on 1985 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantum Electrodynamics of Strong Fields by : Greiner W. Hold
Download or read book Quantum Electrodynamics of Strong Fields written by Greiner W. Hold and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NATO Advanced Study Institute on Quantum Electrodynamics of Strong Fields was held at Lahnstein on the Rhine from 15-26 June, 1981. The school was devoted to the advances, theoretical and exper imental, in the physics of strong fields made during the past decade. The topic of the first week was almost exclusively quantum electrodynamics, with discussions of symmetry breaking in the ground state, of the physics of heavy ion collisions and of precision tests of perturbative quantum electrodynamics. This was followed in the second week by the presentation of a broad range of other areas where strong fields occur, reaching from nuclear physics over quantum chromodynamics to gravitation theory and astrophysics. We were fortunate to be able to call on a body of lecturers who not only have made considerable personal contributions to these advances but who are also noted for their lecturing skills. Their dedication for their subject was readily transmitted to the stu dents resulting in a very successful school. This enthusiasm is also reflected in their contributions to these Proceedings which, as I believe, will in time become a standard source of reference for future work on the physics of strong fields and will help to spread the benefits of the school to a larger audience than those who were able to attend. I regret that the Soviet colleagues Ya. B. Zeldovich and V. S. Popov were unable to participate.
Book Synopsis New Frontiers in Physics by : Tepper G. Gill
Download or read book New Frontiers in Physics written by Tepper G. Gill and published by . This book was released on 1996-02-01 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: VOLUME I: Contents: HISTORY OF PHYSICS contains advances on the history of ether & Einstein's ideas, special relativity, role of Poicare'. ELECTRODYNAMICS contains advances in soliton waves, Weber's electrodynamics, quantum electrodynamics, propagation within physical media & related fields. EXPERIMENTAL PHYSICS includes developments in the electromagnetic structure of the neutron, the underwater neutrino telescope, ultrarelativistic heavy ion collisions. All articles are original & refereed. VOLUME II: Contents: FOUNDATIONS OF PHYSICS contains articles on: turbolence, Bogoliubov group variables, Yang-Mills theories, discrete time theories, & related fields. QUANTUM GROUPS includes developments in quantization, correlation, squeezed states & related areas. DYNAMICAL SYSTEMS contains advances in quantum intuition, generalized least action principle, quantum inverse problem, integral systems with random evolution, & cohomological systems. All articles are original & refereed. To order contact: Hadronic Press, 35246 U.S. 19 N., Ste. 115, Palm Harbor, FL 34684, 813-934-9593, FAX 813-934-9275 or your local distributor.
Book Synopsis Ion-Atom Collisions by : Michael Schulz
Download or read book Ion-Atom Collisions written by Michael Schulz and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-10-21 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: The few-body problem (FBP), the essence of which is the Schrödinger equation is not solvable for more than two interacting particles. Atomic collisions are ideally suited to study the FBP because the underlying force is essentially understood and because simple systems can be studied for which kinematically complete experiments are feasible. The book would cover various experimental and theoretical approaches in atomic collision research.
