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Author : Daniel R. Stump,Don H. Weingarten
Publisher : John Wiley & Sons
Page : 280 pages
File Size : 55,5 Mb
Release : 1977
Category : Science
ISBN : UCAL:B3763828
Author : Vladimir N. Gribov,J. Nyiri
Publisher : World Scientific
Page : 312 pages
File Size : 47,6 Mb
Release : 2001
Category : Science
ISBN : 9812811028
V N Gribov, one of the founders of modern particle physics, shaped our understanding of QCD as the microscopic dynamics of hadrons. This volume collects his papers on quark confinement, showing the road he followed to arrive at the theory and formulating the theory itself. It begins with papers providing a beautiful physical explanation of asymptotic freedom based on the phenomenon of antiscreening and demonstrating the inconsistency of the standard perturbative treatment of the gluon fields (Gribov copies, Gribov horizon). It continues with papers presenting the Gribov theory according to which confinement of colour is determined by the existence of practically massless quarks. The last two papers conclude Gribov''s twenty-year-long study of the problem; QCD is formulated as a quantum field theory containing both perturbative and nonperturbative phenomena, and the confinement is based on the supercritical binding of light quarks. Contents: Quantization of Non-Abelian Gauge Theories (V N Gribov); Instability of Non-Abelian Gauge Theories and Impossibility of Choice of Coulomb Gauge (V N Gribov); Local Confinement of Charge in Massless QED (V N Gribov); Outlook (V N Gribov); Possible Solution of the Problem of Quark Confinement (V N Gribov); Orsay Lectures on Confinement (I) (V N Gribov); Orsay Lectures on Confinement (II) (V N Gribov); Orsay Lectures on Confinement (III) (V N Gribov); The Theory of Quark Confinement (V N Gribov); QCD at Large and Short Distances (V N Gribov); and other papers. Readership: Graduate students, and researchers in quantum field theory and particle physics.
Author : Wolfgang Lucha,Khin Maung Maung
Publisher : World Scientific
Page : 388 pages
File Size : 50,8 Mb
Release : 2002-02-27
Category : Electronic
ISBN : 9789814491457
Quantum chromodynamics is generally accepted to be the quantum field theory which describes the strong interactions in elementary particle physics. However, the question of the mechanism responsible for the “confinement” of the color degrees of freedom of quarks and gluons into hadrons still ranks as one of the most interesting open problems in physics. This proceedings volume summarizes the state of the art in this area of research. Mathematically inclined readers will find the articles based on monopoles, vortices, and topology most interesting. Meanwhile, lattice calculations can be performed for many important physical quantities. Their results can be used as guidelines for developing models of quark confinement. These models are indispensable for theoretical physicists performing calculations with the Bethe–Salpeter equation, Dyson–Schwinger equations, effective Hamiltonians, and potential models. The cross-fertilization of all these subfields of research becomes evident from the articles in this book. A few experimental papers are also included. Contents:Contemporary Applications of Dyson–Schwinger Equations (M B Hecht et al.)Strangeness Production Using Electrons (O K Baker)Glueballs, Hybrid and Exotic Mesons and String Breaking (C Michael)The Gluon Condensate from Gauge Invariant Vortex Vacuum Texture (K Langfeld)Quark Confinement in the Analytic Approach to QCD (A V Nesterenko)Confinement Picture in Dual Formulation of Lattice Gauge Models (O Borisenko & M Faber)Hamiltonian Lattice Gauge Theory (N E Ligterink)Electromagnetic Properties of Light Nucleon Resonances in a Chiral Constituent Quark Model (R F Wagenbrunn et al.)Relationship of Pionium Lifetime with Pion Scattering Lengths in Generalized Chiral Perturbation Theory (H Sazdjian)The Mass of the b Quark from Lattice NRQCD (S Collins)Weak Form Factors for Heavy Meson Decays (D Melikhov & B Stech)Instantaneous Bethe-Salpeter Equation: (Semi-) Analytical Solution (W Lucha et al.)QCD Sum Rules at Finite Temperature and Density (S Mallik)Mass of the Bottom Quark (W Lucha & F F Schöberl)and other papers Readership: Researchers, academics and graduate students in high energy physics. Keywords:
Author : Nora Serafina Brambilla,Giovanni Maria Prosperi
Publisher : World Scientific
Page : 454 pages
File Size : 44,7 Mb
Release : 1997-05-03
Category : Electronic
ISBN : 9789814547130
The confinement mechanism of the quarks in QCD is one of the most challenging and open problems in physics. Confinement is a nonperturbative phenomenon, and a definite way to handle it has not yet been found in field theory. There are lattice calculations that can produce the low-lying states of the spectrum and 'measure' many important physical quantities, but nevertheless the development of analytical techniques is of extreme importance for understanding the physics involved in confinement. In this respect it is important to test the results obtained directly from the theory (Bethe-Salpeter kernel, effective Hamiltonians, quark potential, etc.) on the spectrum, form factors and decays of bound states of quarks and gluons, and to relate them to the results of lattice theory.In this book, the question of the confinement mechanism is addressed; explanations in terms of monopoles, instantons and dyons are reviewed and the connection with duality is discussed.
Author : Nathan Isgur
Publisher : World Scientific
Page : 384 pages
File Size : 50,8 Mb
Release : 2000
Category : Science
ISBN : 9810242360
The confinement mechanism of the quarks in QCD is one of the most challenging and open problems in physics. Confinement is a nonperturbative phenomenon, and a definite way to handle it has not yet been found in field theory. There are lattice calculations that can produce the low-lying states of the spectrum and ?measure? many important physical quantities, but nevertheless the development of analytical techniques is of extreme importance for understanding the physics involved in confinement. In this respect it is important to test the results obtained directly from the theory (Bethe-Salpeter kernel, effective Hamiltonians, quark potential, etc.) on the spectrum, form factors and decays of bound states of quarks and gluons, and to relate them to the results of lattice theory.In this book, the question of the confinement mechanism is addressed; explanations in terms of monopoles, instantons and dyons are reviewed and the connection with duality is discussed.
Author : Frans R. Klinkhamer,Martin B. Halpern
Publisher : Unknown
Page : 266 pages
File Size : 53,8 Mb
Release : 1985
Category : Champs de jauge (physique)
ISBN : UCAL:B4128187
Author : G.V Efimov,M.A Ivanov
Publisher : CRC Press
Page : 196 pages
File Size : 50,5 Mb
Release : 1993-01-01
Category : Science
ISBN : 0750302402
Filling the gap in the literature on low-energy quark models, The Quark Confinement Model of Hadrons investigates confinement effects in the low-energy regions of particle physics using the methods of nonlocal quantum field theory. It also elucidates their role in describing microscopic quantities that characterize hadron-hadron interactions. The authors present a quark confinement model to describe the low-energy physics of light hadrons. Hadrons are treated as collective colorless excitations of quark-gluon interactions while the quark confinement is to be provided by averaging over gluon backgrounds. The model is shown to reproduce the low-energy relations of chiral theory in the case of null momenta and, in addition, allow the researcher to obtain more sophisticated hadron characteristics, such as slope parameters and form factors. Presenting a unified view on a number of low-energy phenomena, The Quark Confinement Model of Hadrons enables an understanding of problems related to the treatment of large distances within quantum chromodynamics.
Author : Nathan Isgur
Publisher : World Scientific
Page : 384 pages
File Size : 49,8 Mb
Release : 2000-06-27
Category : Science
ISBN : 9789814493529
The confinement mechanism of the quarks in QCD is one of the most challenging and open problems in physics. Confinement is a nonperturbative phenomenon, and a definite way to handle it has not yet been found in field theory. There are lattice calculations that can produce the low-lying states of the spectrum and “measure” many important physical quantities, but nevertheless the development of analytical techniques is of extreme importance for understanding the physics involved in confinement. In this respect it is important to test the results obtained directly from the theory (Bethe-Salpeter kernel, effective Hamiltonians, quark potential, etc.) on the spectrum, form factors and decays of bound states of quarks and gluons, and to relate them to the results of lattice theory.In this book, the question of the confinement mechanism is addressed; explanations in terms of monopoles, instantons and dyons are reviewed and the connection with duality is discussed.
Author : Nora Brambilla,Giovanni M Prosperi
Publisher : World Scientific
Page : 552 pages
File Size : 40,9 Mb
Release : 2003-08-27
Category : Science
ISBN : 9789814485814
This book provides an update on our understanding of strong interaction, with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, Schwinger–Dyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quark–gluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD. Contents:Vortices, Confinement and Higgs Fields (R Bertle & M Faber)Hadronic Signature of Quark–Gluon Plasma (J Rafelski & J Letessier)Topology of Center Vortices (H Reinhardt)The Nonperturbative Quark-Gluon Vertex (J Skullerud et al.)Equivalence in Minkowski and Euclidean Field Theories (K M Maung et al.)Criterium for the Index Theorem on the Lattice (P Bicudo)Isospin Breaking in the Goldberger–Treiman Discrepancies (J L Goity & J Saez)Quantum Field Theory Approach to the Vacuum Replica in QCD (A V Nefediev & J E F T Ribeiro)Charm and Bottom Quark Masses from QCD Moment Sum Rules (M Eidemüller)Dilepton Production in Heavy-Ion Collisions: A Probe of Deconfinement (E Scomparin)Deuteron Photodisintegration at High Energy (F Ronchetti)Semianalytical Bounds on Spinless–Salpeter Energy Levels (R L Hall et al.)String Breaking and Monopoles in the 3D Abelian Higgs Model (M N Chernodub et al.)and other papers Readership: Researchers in high-energy, particle, theoretical, accelerator and experimental physics. Keywords:Gauge Field Theories;Models beyond the Standard Model;Chiral Symmetries;Perturbative and Nonperturbative QCD;Deconfinement;Hadrons
Author : Nora Brambilla,Umberto D'Alesio,Alberto Devoto,Khin Maung,Giovanni Maria Prosperi,Sergio Serci
Publisher : American Institute of Physics
Page : 518 pages
File Size : 55,8 Mb
Release : 2005-04-28
Category : Science
ISBN : 0735402418
This book provides an update on our understanding of strong interactions with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into the QCD Vacuum and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, Schwinger-Dyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quark-gluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD.
Author : Nora Serafina Brambilla,Giovanni Maria Prosperi
Publisher : World Scientific
Page : 398 pages
File Size : 54,5 Mb
Release : 1995-03-29
Category : Electronic
ISBN : 9789814549929
The 20-year-old problem of the confinement and the resulting spectrum of the bound states is central to quantum chromodynamics (QCD). Many approaches have been tried starting from different points of view: the potential theory, the Bethe-Salpeter equation, string and flux tube models, bag models, vacuum structure, current algebra, lattice theory, and numerical simulations. Phenomenological assumptions and first-principle theoretical results or indications have been combined. Many partial successes have been attained, but a unified and comprehensive treatment is still lacking.In recent years, new attention has been given to the problem, both in terms of theoretical developments and for the purpose of evaluating the spectrum and other properties of the particles. In particular, attention has been focussed on areas like numerical simulations, the derivation of the potential, the use of the Bethe-Salpeter equation, the connection between the potential and the chiral symmetry approach.This workshop was an opportunity for a synthesis and a comparison of the different points of view.
Author : N. Brambilla,Giovanni M. Prosperi
Publisher : World Scientific Publishing Company Incorporated
Page : 434 pages
File Size : 42,7 Mb
Release : 1997
Category : Science
ISBN : 9810228651
Author : Jeff Greensite
Publisher : Springer Nature
Page : 273 pages
File Size : 52,8 Mb
Release : 2020-08-24
Category : Science
ISBN : 9783030515638
This book addresses the confinement problem, which concerns the behavior of non-abelian gauge theories, and the force which is mediated by gauge fields, at large distances. The word “confinement” in the context of hadronic physics originally referred to the fact that quarks and gluons appear to be trapped inside mesons and baryons, from which they cannot escape. There are other, and possibly deeper meanings that can be attached to the term, and these will be explored in this book. Although the confinement problem is far from solved, much is now known about the general features of the confining force, and there are a number of very well motivated theories of confinement which are under active investigation. This volume gives a both pedagogical and concise introduction and overview of the main ideas in this field, their attractive features, and, as appropriate, their shortcomings. This second edition summarizes some of the developments in this area which have occurred since the first edition of this book appeared in 2011. These include new results in the caloron/dyon picture of confinement, in functional approaches, and in studies of the Yang-Mills vacuum wave functional. Special attention, in two new chapters, is given to recent numerical investigations of the center vortex theory, and to the varieties of confinement which may exist in gauge-Higgs theories. Reviews of the first edition: “This is indeed a very good book. I enjoyed reading it and... I learned a lot from it.... It is definitely a research book that provides readers with a guide to the most updated confinement models.” (Giuseppe Nardelli, Mathematical Reviews, Issue 2012 d) “The book is beautifully produced with special emphasis on the relevance of center symmetry and lattice formulation as well as an introduction to current research on confinement.” (Paninjukunnath Achuthan, Zentralblatt MATH, Vol. 1217, 2011)
Author : Vladimir N. Gribov
Publisher : Unknown
Page : 637 pages
File Size : 41,8 Mb
Release : 2002
Category : Gauge fields (Physics)
ISBN : 5703600723
Author : M. Shifman
Publisher : Cambridge University Press
Page : 641 pages
File Size : 48,7 Mb
Release : 2012-01-19
Category : Science
ISBN : 9781139501880
Since the advent of Yang–Mills theories and supersymmetry in the 1970s, quantum field theory - the basis of the modern description of physical phenomena at the fundamental level - has undergone revolutionary developments. This is the first systematic and comprehensive text devoted specifically to modern field theory, bringing readers to the cutting edge of current research. The book emphasizes nonperturbative phenomena and supersymmetry. It includes a thorough discussion of various phases of gauge theories, extended objects and their quantization, and global supersymmetry from a modern perspective. Featuring extensive cross-referencing from traditional topics to recent breakthroughs in the field, it prepares students for independent research. The side boxes summarizing the main results and over 70 exercises make this an indispensable book for graduate students and researchers in theoretical physics.