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Variational Calculations In Quantum Field Theory
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Book Synopsis Variational Calculations in Quantum Field Theory by : L Polley
Download or read book Variational Calculations in Quantum Field Theory written by L Polley and published by World Scientific. This book was released on 1988-07-01 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contributions in this conference proceeding present an alternative approach to solving the Quantum Field Theory problem using the variational approach. Many different issues are visited using this approach — Yang Mills Theory, going beyond the Guassian Approximation, in QCD and QED. Contents:A Variational Approach to QCD Bound States (J Greensite)Vacuum and Excited States in Truncated-Mode Coulomb-Gauge Yang-Mills Theory (R E Cutkosky and K C Wang)Difficulties in Applying the Variational Principle to Quantum Field Theories (R P Feynman)Schrodinger Approach to Ground State Wavefunctionals (W A Bardeen)Computer Measurement of the Yang-Mills Vacuum (and String) Wavefunctionals (J Greensite)The Magnetic Instability of the Perturbative Yang-Mills Vacuum (G Preparata)A Step Beyond the Gaussian Approximation in Yang-Mills Theory (L Polley and U Ritschel)Dynamical Symmetry Breaking in QCD and Quark Masses (R Casalbuoni)Zero Temperature Quark Matter Equation of State (F Grassi)λΦ43+1 λ > 0, with Spontaneous Symmetry Breaking (R Tarrach)Gaussian Approximations and Renormalization of Effective Potentials in 1 + 1 vs Higher Dimensions (J Wudka)Covariant Gaussian Approximation: Formalism (A Kovner and B Rosenstein)Covariant Gaussian Approximation: Applications (B Rosenstein and A Kovner)Variational Methods in Large N Supersymmetric Models (O Eyal)Variational Calculations of Particle Masses in Quantum Field Theory: Beyond the Simplest Gaussian Ansatz (J W Darewych, M Horbatsch and R Koniuk)Bound State Wavefunctions in Strongly' Coupled QED (W Dykshoorn, R Koniuk and J W Darewych)Feynman's Polaron Theory: Translation into Hamiltonian Language (K Yamazaki)Asymptotics of Classical Yang-Mills Fields (C Cronstrom)Variational Calculation of Instanton-Based Yang-Mills Vacuum at Finite Temperature (T Kanki)The Structure of Gauge Field Theories within Different Regularization Schemes and Aspects of Confinement (P Besting, J Neubauer and D Schiitte)The Deconfined Phase of QCD (J E Mandula and M Ogilvie)Spectral Estimates for Hamiltonian Lattice Theory (A Duncan)Testing Variational Ground States Against Conformal Invariance (A Patkos)The t-Expansion in Lattice QCD (D Horn)Ground State of Lattice SU(2) QCD with Finite Chemical Potential (E G Klepfish and A Krasnitz) Readership: Graduate students and researchers interested in quantum field theory. Keywords:Variational Techniques;Quantum Field Theory;Yang–Mills Theory;Gaussian Approximation;Symmetry Breaking in QCD;Quantum Chromodynamics;Quantum Electrodynamics;Gauge Field Theory
Book Synopsis Proceedings of the International Workshop on Variational Calculations in Quantum Field Theory, Wangerooge, West Germany, 1-4 September 1987 by : Lutz Polley
Download or read book Proceedings of the International Workshop on Variational Calculations in Quantum Field Theory, Wangerooge, West Germany, 1-4 September 1987 written by Lutz Polley and published by World Scientific Publishing Company Incorporated. This book was released on 1988 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Second volume in a series devoted to the proceedings of the International Workshops on the Physics of Small Systems"--P. facing t.p.
Book Synopsis Introduction to Quantum Field Theory by : V.lG. Kiselev
Download or read book Introduction to Quantum Field Theory written by V.lG. Kiselev and published by CRC Press. This book was released on 2000-11-17 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text explains the features of quantum and statistical field systems that result from their field-theoretic nature and are common to different physical contexts. It supplies the practical tools for carrying out calculations and discusses the meaning of the results. The central concept is that of effective action (or free energy), and the main technical tool is the path integral, although other formalisms are also mentioned. The author emphasizes the simplest models first, then progresses to discussions of real systems before addressing more general and rigorous conclusions. The book is structured around carefully selected problems, which are solved in detail.
Book Synopsis Quantum Statistical Field Theory by : Norman J. M. Horing
Download or read book Quantum Statistical Field Theory written by Norman J. M. Horing and published by Oxford University Press. This book was released on 2017 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to the methods of coupled quantum statistical field theory and Green's functions. The methods of coupled quantum field theory have played a major role in the extensive development of nonrelativistic quantum many-particle theory and condensed matter physics. This introduction to the subject is intended to facilitate delivery of the material in an easily digestible form to advanced undergraduate physics majors at a relatively early stage of their scientific development. The main mechanism to accomplish this is the early introduction of variational calculus and the Schwinger Action Principle, accompanied by Green's functions. Important achievements of the theory in condensed matter and quantum statistical physics are reviewed in detail to help develop research capability. These include the derivation of coupled field Green's function equations-of-motion for a model electron-hole-phonon system, extensive discussions of retarded, thermodynamic and nonequilibrium Green's functions and their associated spectral representations and approximation procedures. Phenomenology emerging in these discussions include quantum plasma dynamic-nonlocal-screening, plasmons, polaritons, linear electromagnetic response, excitons, polarons, phonons, magnetic Landau quantization, van der Waals interactions, chemisorption, etc. Considerable attention is also given to low dimensional and nanostructured systems, including quantum wells, wires, dots and superlattices, as well as materials having exceptional conduction properties such as Superconductors, Superfluids and Graphene.
Book Synopsis A Prelude to Quantum Field Theory by : John Donoghue
Download or read book A Prelude to Quantum Field Theory written by John Donoghue and published by Princeton University Press. This book was released on 2022-02-22 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise, beginner-friendly introduction to quantum field theory Quantum field theory is a powerful framework that extends quantum mechanics in ways that are essential in many modern applications. While it is the fundamental formalism for the study of many areas of physics, quantum field theory requires a different way of thinking, and many newcomers to the subject struggle with the transition from quantum mechanics. A Prelude to Quantum Field Theory introduces the key concepts of quantum field theory in a brief and accessible manner while never sacrificing mathematical rigor. The result is an easy-to-use textbook that distills the most general properties of the theory without overwhelming beginning students with more advanced applications. Bridges quantum mechanics and quantum field theory, emphasizing analogies and differences Emphasizes a “quantum field theoretical mindset” while maintaining mathematical rigor Obtains quantum fields as the continuum limit of a quantized system of many particles Highlights the correspondence between wave function—fundamental in quantum mechanics—and the formalism of second quantization used in quantum field theory Provides a step-by-step derivation of Feynman rules for the perturbative study of interacting theories Introduces students to renormalization, path integrals techniques, and more Discusses more modern topics like effective field theories Ideal for both undergraduate and graduate students Proven in the classroom
Book Synopsis The Large N Expansion In Quantum Field Theory And Statistical Physics by : Edouard Brezin
Download or read book The Large N Expansion In Quantum Field Theory And Statistical Physics written by Edouard Brezin and published by World Scientific. This book was released on 1993-08-31 with total page 1149 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains an edited comprehensive collection of reprints on the subject of the large N limit as applied to a wide spectrum of problems in quantum field theory and statistical mechanics. The topics include (1) Spin Systems; (2) Large N Limit of Gauge Theories; (3) Two-Dimensional QCD; (4) Exact Results on Planar Perturbation Series and the Nature of the 1/N Series; (5) Schwinger-Dyson Equations Approach; (6) QCD Phenomenological Lagrangians and the Large N Limit; (7) Other Approaches to Large N: Eguchi-Kawai Model, Collective Fields and Numerical Methods; (8) Matrix Models; (9) Two-Dimensional Gravity and String Theory.
Book Synopsis Functional Methods in Quantum Field Theory and Statistical Physics by : A.N. Vasiliev
Download or read book Functional Methods in Quantum Field Theory and Statistical Physics written by A.N. Vasiliev and published by Routledge. This book was released on 2019-01-22 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a systematic introduction to the techniques which are fundamental to quantum field theory, this book pays special attention to the use of these techniques in a wide variety of areas, including ordinary quantum mechanics, quantum mechanics in the second-quantized formulation, relativistic quantum field theory, Euclidean field theory, quant
Book Synopsis Quantum Theory of Many Variable Systems and Fields by : B Sakita
Download or read book Quantum Theory of Many Variable Systems and Fields written by B Sakita and published by World Scientific Publishing Company. This book was released on 1985-09-01 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: These lecture notes are based on special courses on Field Theory and Statistical Mechanics given for graduate students at the City College of New York. It is an ideal text for a one-semester course on Quantum Field Theory.
Book Synopsis Introduction to Quantum Field Theory by : Shau-Jin Chang
Download or read book Introduction to Quantum Field Theory written by Shau-Jin Chang and published by World Scientific. This book was released on 1990 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents in a short volume the basics of quantum field theory and many body physics. The first part introduces the perturbative techniques without sophisticated apparatus and applies them to numerous problems including quantum electrodynamics (renormalization), Fermi and Bose gases, the Brueckner theory of nuclear system, liquid Helium and classical systems with noise. The material is clear, illustrative and the important points are stressed to help the reader get the understanding of what is crucial without overwhelming him with unnecessary detours or comments. The material in the second part ranges from variational principles to path integrals, discusses gauge theory, the renormalization group and classical solutions together with their applications.
Book Synopsis An Introduction To Quantum Field Theory by : Michael E. Peskin
Download or read book An Introduction To Quantum Field Theory written by Michael E. Peskin and published by CRC Press. This book was released on 2018-05-04 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Introduction to Quantum Field Theory is a textbook intended for the graduate physics course covering relativistic quantum mechanics, quantum electrodynamics, and Feynman diagrams. The authors make these subjects accessible through carefully worked examples illustrating the technical aspects of the subject, and intuitive explanations of what is going on behind the mathematics. After presenting the basics of quantum electrodynamics, the authors discuss the theory of renormalization and its relation to statistical mechanics, and introduce the renormalization group. This discussion sets the stage for a discussion of the physical principles that underlie the fundamental interactions of elementary particle physics and their description by gauge field theories.
Book Synopsis Variational Principles and Methods in Theoretical Physics and Chemistry by : Robert K. Nesbet
Download or read book Variational Principles and Methods in Theoretical Physics and Chemistry written by Robert K. Nesbet and published by Cambridge University Press. This book was released on 2002-11-14 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the essential ideas and methods behind applications of variational theory in theoretical physics and chemistry. The emphasis is on understanding physical and computational applications of variational methodology rather than on rigorous mathematical formalism. The text begins with an historical survey of familiar variational principles in classical mechanics and optimization theory, then proceeds to develop the variational principles and formalism behind current computational methodology for bound and continuum quantum states of interacting electrons in atoms, molecules, and condensed matter. It covers multiple-scattering theory, including a detailed presentation of contemporary methodology for electron-impact rotational and vibrational excitation of molecules. The book ends with an introduction to the variational theory of relativistic fields. Ideal for graduate students and researchers in any field that uses variational methodology, this book is particularly suitable as a backup reference for lecture courses in mathematical methods in physics and theoretical chemistry.
Book Synopsis Quantum Field Theory by : Antoine Visconti
Download or read book Quantum Field Theory written by Antoine Visconti and published by Pergamon. This book was released on 1969 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book High Energy Physics Index written by and published by . This book was released on 1990 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geometry of the Time-Dependent Variational Principle in Quantum Mechanics by : P. Kramer
Download or read book Geometry of the Time-Dependent Variational Principle in Quantum Mechanics written by P. Kramer and published by . This book was released on 2014-01-15 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Foundations Of Quantum Field Theory by : Klaus D Rothe
Download or read book Foundations Of Quantum Field Theory written by Klaus D Rothe and published by World Scientific. This book was released on 2020-09-03 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a two-semester course held at the University of Heidelberg, Germany, this book provides a solid basis for postgraduate students wishing to obtain a more profound understanding of the foundations of Quantum Field Theory. The book covers a wide spectrum of topics ranging from traditional operator and modern path integral methods, to different regularization and renormalization methods, asymptotic behavior of Green functions, a particular view on the Renormalization Group, and spontaneous symmetry breaking in effective potentials. Much effort has been made to present the material in a transparent, detailed and structured way, which should help the reader to follow the material.
Book Synopsis Introduction to Quantum Field Theory by : Roberto Casalbuoni
Download or read book Introduction to Quantum Field Theory written by Roberto Casalbuoni and published by World Scientific. This book was released on 2011 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with quantum field theory which is the language of the modern physics of elementary particles. Written based on university lectures given by the author, the book provides treatments and technical details of quantum field theory, which will be particularly useful for students. The book starts with the quantization of the most important kind of free fields (the scalar, the spin-1/2 and the photon fields). It is then followed by a detailed account of the symmetry properties of a field theory and a discussion on global and local symmetries and the spontaneous breaking of symmetries. Other topics discussed include the perturbation theory, one-loop effects for quantum electrodynamics, and renormalization properties.
Book Synopsis Recent Developments In Nonperturbative Quantum Field Theory: Proceedings Of The Apctp-ictp Joint International Conf by : Yongmin Cho
Download or read book Recent Developments In Nonperturbative Quantum Field Theory: Proceedings Of The Apctp-ictp Joint International Conf written by Yongmin Cho and published by World Scientific. This book was released on 1998-09-28 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
