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Author: Daniel R. Stump
Publisher: John Wiley & Sons
ISBN:
Category : Field theory (Physics)
Languages : en
Pages : 280
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Book Description
Author: Daniel R. Stump
Publisher: John Wiley & Sons
ISBN:
Category : Field theory (Physics)
Languages : en
Pages : 280
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Book Description
Author: Vladimir N. Gribov
Publisher: World Scientific
ISBN: 9789812811028
Category : Science
Languages : en
Pages : 312
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Book Description
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: Nathan Isgur
Publisher: World Scientific
ISBN: 9789810242367
Category : Science
Languages : en
Pages : 384
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Book Description
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: Wolfgang Lucha
Publisher: World Scientific
ISBN: 9814491454
Category :
Languages : en
Pages : 388
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Book Description
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: Frans R. Klinkhamer
Publisher:
ISBN:
Category : Champs de jauge (physique)
Languages : en
Pages : 266
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Book Description
Author: Nora Serafina Brambilla
Publisher: World Scientific
ISBN: 9814547131
Category :
Languages : en
Pages : 454
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Book Description
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: G.V Efimov
Publisher: CRC Press
ISBN: 9780750302401
Category : Science
Languages : en
Pages : 196
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Book Description
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
ISBN: 981449352X
Category : Science
Languages : en
Pages : 384
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Book Description
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: N. Brambilla
Publisher: World Scientific
ISBN: 981238393X
Category : Technology & Engineering
Languages : en
Pages : 551
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Book Description
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.
Author: Kerson Huang
Publisher: World Scientific
ISBN: 9789810206598
Category : Science
Languages : en
Pages : 372
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Book Description
This is perhaps the most up-to-date book on Modern Elementary Particle Physics. The main content is an introduction to Yang-Mills fields, and the Standard Model of Particle Physics. A concise introduction to quarks is provided, with a discussion of the representations of SU(3).The Standard Model is presented in detail, including such topics as the Kobayashi-Maskawa matrix, chiral symmetry breaking, and the ?-vacuum. Theoretical topics of a more general nature include path integrals, topological solitons, renormalization group, effective potentials, the axial anomaly, and lattice gauge theory.This second edition, which has been expanded, incorporates the following new subjects: Wilson's renormalization scheme, and its relation to perturbative renormalization; pitfalls in quantizing gauge fields, such as the Gribov ambiguity; the lattice as a consistent regularization; Monte Carlo methods of solution; and the issues, folklores, and scenarios of quark confinement. More than a quarter of the book comprise of new materials.This book may be used as a text for a one-semester course on advanced quantum field theory, or reference book for particle physicists.
