簡明量子場論

前言

As a student, I was rearing at the bit, after a course on quantum mechanics, tolearn quantum field theory, but the books on the subject all seemed so formidable.Fortunately, I came across a little book by Mandl on field theory, which gaveme a taste of the subject enabling me to go on and tackle the more substantivetexts. I have since learned that other physicists of my generation had similar goodexperiences with Mandl.In the last three decades or so, quantum field theory has veritably exploded andMandl would be hopelessly out of date to recommend to a student now. ThusI thought of writing a book on the essentials of modem quantum field theoryaddressed to the bright and eager student who has just completed a course onquantum mechanics and who is impatient to start tackling quantum field theory.I envisaged a relatively thin book, thin at least in comparison with the manyweighty tomes on the subject. I envisaged the style to be breezy and colloquial,and the choice of topics to be idiosyncratic, certainly not encyclopedic. I envisagedhaving many short chapters, keeping each chapter "bite-sized."The challenge in writing this book is to keep it thin and accessible while at thesame time introducing as many modem topics as possible. A tough balancing act！In the end, I had to be unrepentantly idiosyncratic in what I chose to cover. Note tothe prospective book reviewer: You can always criticize the book for leaving outyour favorite topics. I do not apologize in any way, shape, or form. My motto inthis regard （and in life as well）, taken from the Ricky Nelson song "Garden Party,"is "You can't please everyone so you gotta please yourself."This book differs from other quantum field theory books that have come out inrecent years in several respects.

內(nèi)容概要

　　As a student， I was rearing at the bit， after a course on quantum mechanics， tolearn quantum field theory， but the books on the subject all seemed so formidable.Fortunately， I came across a little book by Mandl on field theory， which gaveme a taste of the subject enabling me to go on and tackle the more substantivetexts. I have since learned that other physicists of my generation had similar goodexperiences with Mandl.

作者簡介

作者：(美國)徐一鴻

書籍目錄

PrefaceConvention, Notation, and Units  PART I MOTIVATION AND FOUNDATION  I.1  Who Needs It?  I.2  Path Integral Formulation of Quantum Physics  I.3  From Mattress to Field  I.4  From Field to Particle to Force  I.5  Coulomb and Newton: Repulsion and Attraction  I.6  Inverse Square Law and the Floating 3-Brane  I.7  Feynman Diagrams  I.8  Quantizing Canonically and Disturbing the Vacuum    I.9  Symmetry  I.10  Field Theory in Curved Spacetime  I.11  Field Theory ReduxPART II DIRAC AND THE SPINOR  II.1  The Dirac Equation  II.2  Quantizing the Dirac Field  II.3  Lorentz Group and Weyl Spinors  II.4  Spin-Statistics Connection  II.5  Vacuum Energy, Grassmann Integrals, and Feynman Diagrams for Fermions  II.6  Electron Scattering and Gauge Invariance  II.7  Diagrammatic Proof of Gauge InvariancePART III RENORMALIZATION AND GAUGE INVARIANCE  III.1  Cutting Off Our Ignorance  III.2  Renormalizable versus Nonrenormalizable  III.3  Counterterms and Physical Perturbation Theory  III.4  Gauge Invariance: A Photon Can Find No Rest  III.5  Field Theory without Relativity  III.6  The Magnetic Moment of the Electron  III.7  Polarizing the Vacuum and Renormalizing the ChargePART IV SYMMETRY AND SYMMETRY BREAKING  IV.1  Symmetry Breaking  IV.2  The Pion as a Nambu-Goldstone Boson  IV.3  Effective Potential  IV.4  Magnetic Monopole  IV.5  Nonabelian Gauge Theory  IV.6  The Anderson-Higgs Mechanism  IV.7  Chiral AnomalyPART V FIELD THEORY AND COLLECTIVE PHENOMENA  V.1  Superfluids  V.2  Euclid, Boltzmann, Hawking, and Field Theory at Finite Temperature  V.3  Landau-Ginzburg Theory of Critical Phenomena  V.4  Superconductivity  V.5  Peierls Instability  V.6  Solitons  V.7  Vortices, Monopoles, and InstantonsPART VI FIELD THEORY AND CONDENSED MATTERPART VII GRAND UNIFICATIONPART VIII GRAVITY AND BEYONDAPPENDIXES

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《簡明量子場論》：This book differs from other quantum field theory books that have come out inrecent years in several respects.

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