Preface |
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xi | |
Notations and Conventions |
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xix | |
Editor's Foreword |
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xxii | |
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Part I Feynman Diagrams and Quantum Electrodynamics |
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1 Invitation: Pair Production in e+e- Annihilation |
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3 | (10) |
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13 | (22) |
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2.1 The Necessity of the Field Viewpoint |
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13 | (2) |
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2.2 Elements of Classical Field Theory |
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15 | (4) |
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Lagrangian Field Theory; Hamiltonian Field Theory; Noether's Theorem |
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2.3 The Klein-Gordon Field as Harmonic Oscillators |
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19 | (6) |
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2.4 The Klein-Gordon Field in Space-Time |
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25 | (10) |
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Causality; The Klein-Gordon Propagator; Particle Creation by a Classical Source Problems |
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33 | (2) |
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35 | (42) |
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3.1 Lorentz Invariance in Wave Equations |
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35 | (5) |
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40 | (5) |
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3.3 Free-Particle Solutions of the Dirac Equation |
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45 | (4) |
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3.4 Dirac Matrices and Dirac Field Bilinears |
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49 | (3) |
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3.5 Quantization of the Dirac Field |
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52 | (12) |
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Spin and Statistics; The Dirac Propagator |
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3.6 Discrete Symmetries of the Dirac Theory |
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64 | (13) |
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Parity; Time Reversal; Charge Conjugation Problems |
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71 | (6) |
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4 Interacting Fields and Feynman Diagrams |
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77 | (54) |
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4.1 Perturbation Theory--Philosophy and Examples |
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77 | (5) |
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4.2 Perturbation Expansion of Correlation Functions |
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82 | (6) |
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88 | (2) |
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90 | (9) |
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4.5 Cross Sections and the S-Matrix |
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99 | (9) |
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4.6 Computing S-Matrix Elements from Feynman Diagrams |
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108 | (7) |
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4.7 Feynman Rules for Fermions |
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115 | (8) |
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4.8 Feynman Rules for Quantum Electrodynamics |
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123 | (8) |
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The Coulomb Potential Problems |
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126 | (5) |
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5 Elementary Processes of Quantum Electrodynamics |
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131 | (44) |
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5.1 e+e- μ+ μ-: Introduction |
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131 | (10) |
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Trace Technology; Unpolarized Cross Section; e+e- → Hadrons |
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5.2 e+e- → μ+μ-: Helicity Structure |
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141 | (5) |
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5.3 e+e- → μ+μ-: Nonrelativistic Limit |
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146 | (7) |
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Bound States; Vector Meson Production and Decay |
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153 | (5) |
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Electron-Muon Scattering; Mandeistam Variables |
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158 | (17) |
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Photon Polarization Sums; The Klein-Nishina Formula; High-Energy Behavior; Pair Annihilation into Photons |
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169 | (6) |
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6 Radiative Corrections: Introduction |
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175 | (36) |
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176 | (8) |
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Classical Computation; Quantum Computation |
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6.2 The Electron Vertex Function: Formal Structure |
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184 | (5) |
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6.3 The Electron Vertex Function: Evaluation |
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189 | (10) |
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Feynman Parameters; Precision Tests of QED |
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6.4 The Electron Vertex Function: Infrared Divergence |
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199 | (3) |
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6.5 Summation and Interpretation of Infrared Divergences |
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202 | (9) |
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208 | (3) |
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7 Radiative Corrections: Some Formal Developments |
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211 | (54) |
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7.1 Field-Strength Renormalization |
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211 | (11) |
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7.2 The LSZ Reduction Formula |
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222 | (8) |
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230 | (8) |
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The Optical Theorem for Feynman Diagrams; Unstable Particles |
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7.4 The Ward-Takahashi Identity |
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238 | (6) |
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7.5 Renormalization of the Electric Charge |
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244 | (21) |
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Dimensional Regularization Problems |
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257 | (2) |
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Final Project: Radiation of Gluon Jets |
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259 | (6) |
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8 Invitation: Ultraviolet Cutoffs and Critical Fluctuations |
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265 | (10) |
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275 | (40) |
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9.1 Path Integrals in Quantum Mechanics |
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275 | (7) |
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9.2 Functional Quantization of Scalar Fields |
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282 | (10) |
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Correlation Functions; Feynman Rules; Functional Derivatives and the Generating Functional |
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9.3 Quantum Field Theory and Statistical Mechanics |
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292 | (2) |
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9.4 Quantization of the Electromagnetic Field |
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294 | (4) |
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9.5 Functional Quantization of Spinor Fields |
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298 | (8) |
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Anticommuting Numbers; The Dirac Propagator; Generating Functional for the Dirac Field; QED; Functional Determinants |
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*9.6 Symmetries in the Functional Formalism |
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306 | (9) |
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Equations of Motion; Conservation Laws; The Ward-Takahashi Identity Problems |
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312 | (3) |
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10 Systematics of Renormalization |
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315 | (32) |
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10.1 Counting of Ultraviolet Divergences |
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315 | (8) |
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10.2 Renormalized Perturbation Theory |
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323 | (7) |
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One-Loop Structure of φ4 Theory |
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10.3 Renormalization of Quantum Electrodynamics |
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330 | (5) |
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One-Loop Structure of QED |
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10.4 Renormalization Beyond the Leading Order |
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335 | (3) |
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338 | (9) |
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344 | (3) |
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11 Renormalization and Symmetry |
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347 | (46) |
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11.1 Spontaneous Symmetry Breaking |
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348 | (4) |
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The Linear Sigma Model; Goldstone's Theorem |
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*11.2 Renormalization and Symmetry: An Explicit Example |
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352 | (12) |
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*11.3 The Effective Action |
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364 | (6) |
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*11.4 Computation of the Effective Action |
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370 | (9) |
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The Effective Action in the Linear Sigma Model |
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*11.5 The Effective Action as a Generating Functional |
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379 | (4) |
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*11.6 Renormalization and Symmetry: General Analysis |
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383 | (10) |
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Goldstone's Theorem Revisited Problems |
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389 | (4) |
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12 The Renormalization Group |
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393 | (46) |
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12.1 Wilson's Approach to Renormalization Theory |
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394 | (12) |
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12.2 The Callan-Symanzik Equation |
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406 | (12) |
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Renormalization Conditions; The Callan-Symanzik Equation; Computation of β and γ The Meaning of β and γ |
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12.3 Evolution of Coupling Constants |
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418 | (10) |
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Solution of the Callan-Symanzik Equation; An Application to QED; Alternatives for the Running of Coupling Constants |
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*12.4 Renormalization of Local Operators |
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428 | (4) |
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*12.5 Evolution of Mass Parameters |
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432 | (7) |
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Critical Exponents: A First Look |
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438 | (1) |
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13 Critical Exponents and Scalar Field Theory |
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439 | (34) |
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*13.1 Theory of Critical Exponents |
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440 | (11) |
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Exponents of the Spin Correlation Function; Exponents of Thermodynamic Functions; Values of the Critical Exponents |
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*13.2 Critical Behavior in Four Dimensions |
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451 | (3) |
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*13.3 The Nonlinear Sigma Model |
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454 | (19) |
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466 | (3) |
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*Final Project: The Coleman-Weinberg Potential |
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469 | (4) |
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Part III Non-Abelian Gauge Theories |
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14 Invitation: The Parton Model of Hadron Structure |
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473 | (32) |
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15 Non-Abelian Gauge Invariance |
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481 | (1) |
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15.1 The Geometry of Gauge Invariance |
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482 | (4) |
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15.2 The Yang-Mills Lagrangian |
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486 | (5) |
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*15.3 The Gauge-Invariant Wilson Loop |
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491 | (4) |
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15.4 Basic Facts About Lie Algebras |
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495 | (10) |
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Classification of Lie Algebras; Representations; The Casimir Operator Problems |
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502 | (3) |
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16 Quantization of Non-Abelian Gauge Theories |
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505 | (40) |
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16.1 Interactions of Non-Abelian Gauge Bosons |
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506 | (6) |
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Feynman Rules for Fermions and Gauge Bosons; Equality of Coupling Constants; A Flaw in the Argument |
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16.2 The Faddeev-Popov Lagrangian |
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512 | (3) |
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16.3 Ghosts and Unitarity |
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515 | (2) |
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517 | (4) |
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*16.5 One-Loop Divergences of Non-Abelian Gauge Theory |
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521 | (12) |
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The Gauge Boson Self-Energy; The β Function; Relations among Counterterms |
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*16.6 Asymptotic Freedom: The Background Field Method |
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533 | (8) |
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16.7 Asymptotic Freedom: A Qualitative Explanation |
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541 | (4) |
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544 | (1) |
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17 Quantum Chromodynamics |
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545 | (54) |
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545 | (3) |
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17.2 e+e~ Annihilation into Hadrons |
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548 | (7) |
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Total Cross Section; The Running of as; Gluon Emission |
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17.3 Deep Inelastic Scattering |
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555 | (8) |
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Deep Inelastic Neutrino Scattering; The Distribution Functions |
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17.4 Hard-Scattering Processes in Hadron Collisions |
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563 | (11) |
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Lepton Pair Production; Kinematics; Jet Pair Production |
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574 | (19) |
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The Equivalent Photon Approximation; Multiple Splittings; Evolution Equations for QED; The Altarelli-Parisi Equations |
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593 | (6) |
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595 | (4) |
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18 Operator Products and Effective Vertices |
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599 | (90) |
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*18.1 Renormalization of the Quark Mass Parameter |
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599 | (6) |
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*18.2 QCD Renormalization of the Weak Interactions |
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605 | (7) |
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*18.3 The Operator Product Expansion |
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612 | (3) |
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*18.4 Operator Analysis of e+e- Annihilation |
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615 | (6) |
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*18.5 Operator Analysis of Deep Inelastic Scattering |
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621 | (30) |
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Kinematics; Expansion of the Operator Product; The Dispersion Integral; Operator Rescaling; Operator Mixing; Relation to the Altarelli-Parisi Equations Problems |
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647 | (4) |
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19 Perturbation Theory Anomalies |
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651 | (1) |
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*19.1 The Axial Current in Two Dimensions |
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651 | (8) |
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Vacuum Polarization Diagrams; The Current Operator Equation; An Example with Fermion Number Nonconservation |
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*19.2 The Axial Current in Four Dimensions |
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659 | (8) |
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The Current Operator Equation; Triangle Diagrams; Chiral Transformation of the Functional Integral |
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*19.3 Goldstone Bosons and Chiral Symmetries in QCD |
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667 | (9) |
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Spontaneous Breaking of Chiral Symmetry; Anomalies of Chiral Currents |
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*19.4 Chiral Anomalies and Chiral Gauge Theories |
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676 | (6) |
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*19.5 Anomalous Breaking of Scale Invariance |
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682 | (7) |
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686 | (3) |
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20 Gauge Theories with Spontaneous Symmetry Breaking |
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689 | (42) |
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690 | (10) |
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An Abelian Example; Systematics of the Higgs Mechanism; Non-Abelian Examples; Formal Description |
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20.2 The Glashow-Weinberg-Salam Theory of Weak Interactions |
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700 | (19) |
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Gauge Boson Masses; Coupling to Fermions; Experimental Consequences of the Glashow-Weinberg-Salam Theory; Fermion Mass Terms; The Higgs Boson; A Higgs Sector? |
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*20.3 Symmetries of the Theory of Quarks and Leptons |
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719 | (12) |
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728 | (3) |
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21 Quantization of Spontaneously Broken Gauge Theories |
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731 | (50) |
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732 | (11) |
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An Abelian Example; ξ Dependence in Perturbation Theory; Non-Abelian Analysis |
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21.2 The Goldstone Boson Equivalence Theorem |
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743 | (15) |
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Formal Aspects of Goldstone Boson Equivalence; |
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Top Quark Decay; e+e- → W+W- |
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21.3 One-Loop Corrections in Weak-Interaction Gauge Theory |
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758 | (23) |
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Theoretical Orientation, and a Specific Problem; Influence of Heavy Quark Corrections; Computation of Vacuum Polarization Amplitudes; The Effect of mt Problems |
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773 | (2) |
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Final Project: Decays of the Higgs Boson |
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775 | (6) |
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22 Quantum Field Theory at the Frontier |
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781 | (20) |
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22.1 Strong Strong Interactions |
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782 | (4) |
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22.2 Grand Unification and its Paradoxes |
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786 | (5) |
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22.3 Exact Solutions in Quantum Field Theory |
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791 | (4) |
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795 | (3) |
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22.5 Toward an Ultimate Theory of Nature |
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798 | (3) |
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Appendix: Reference Formulae |
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801 | (10) |
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801 | (2) |
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A.2 Polarizations of External Particles |
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803 | (2) |
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805 | (1) |
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A.4 Loop Integrals and Dimensional Regularization |
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806 | (2) |
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A.5 Cross Sections and Decay Rates |
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808 | (1) |
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A.6 Physical Constants and Conversion Factors |
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809 | (2) |
Bibliography |
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811 | (6) |
Index |
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817 | |