Introduction to the Classical Theory of Particles and Fields
Kosyakov, Boris
Omschrijving
This volume is intended as a systematic introduction to gauge field theory for advanced undergraduate and graduate students in high energy physics. The discussion is restricted to the classical (non-quantum) theory in Minkowski spacetime. Particular attention has been given to conceptual aspects of field theory, accurate definitions of basic physical notions, and thorough analysis of exact solutions to the equations of motion for interacting systems. Offers an introduction to gauge field theory for advanced undergraduate and graduate students in high energy physics. This title gives attention to conceptual aspects of field theory, accurate definitions of basic physical notions, and thorough analysis of exact solutions to the equations of motion for interacting systems. 1 Geometry of Minkowski Space
1
1.1 Spacetime
1
1.2 Affine and Metric Structures
10
1.3 Vectors, Tensors, and n-Forms
22
1.4 Lines and Surfaces
32
1.5 Poincar nvariance
38
1.6 World Lines
43
Notes
48
2 Relativistic Mechanics
51
2.1 Dynamical Law for Relativistic Particles
52
2.2 The Minkowski Force
58
2.3 Invariants of the Electromagnetic Field
65
2.4 Motion of a Charged Particle in Constant and Uniform Electromagnetic Fields
69
2.5 The Principle of Least Action. Symmetries and Conservation Laws
75
2.6 Reparametrization Invariance
90
2.7 Spinning Particle
98
2.8 Relativistic Kepler Problem
104
2.9 A Charged Particle Driven by a Magnetic Monopole
110
2.10 Collisions and Decays
113
Notes
118
3 Electromagnetic Field
123
3.1 Geometric Contents of Maxwell's Equations
124
3.2 Physical Contents of Maxwell's Equations
127
3.3 Other Forms of Maxwell's Equations
135
Notes
139
4 Solutions to Maxwell's Equations
141
4.1 Statics
141
4.2 Solutions to Maxwell's Equations: Some General Observations
152
4.3 Free Electromagnetic Field
157
4.4 The Retarded Green's Function
167
4.5 Covariant Retarded Variables
174
4.6 Electromagnetic Field Generated by a Single Charge Moving Along an Arbitrary Timelike World Line
179
4.7 Another Way of Looking at Retarded Solutions
183
4.8 Field Due to a Magnetic Monopole
187
Notes
191
5 Lagrangian Formalism in Electrodynamics
195
5.1 Action Principle. Symmetries and Conservation Laws
195
5.2 Poincar nvariance
206
5.3 Conformal Invariance
216
5.4 Duality Invariance
225
5.5 Gauge Invariance
228
5.6 Strings and Branes
235
Notes
245
6 Self-Interaction in Electrodynamics
249
6.1 Rearrangement of Degrees of Freedom
249
6.2 Radiation
258
6.3 Energy-Momentum Balance
265
6.4 The Lorentz Dirac Equation
274
6.5 Alternative Methods of Deriving the Equation of Motion for a Dressed Charged Particle
278
Notes
283
7 Lagrangian Formalism for Gauge Theories
285
7.1 The Yang Mills Wong Theory
285
7.2 The Standard Model
294
7.3 Lattice Formulation of Gauge Theories
298
Notes
305
8 Solutions to the Yang Mills Equations
307
8.1 The Yang Mills Field Generated by a Single Quark
309
8.2 Ansatz
317
8.3 The Yang Mills Field Generated by Two Quarks
320
8.4 The Yang Mills Field Generated by N Quarks
326
8.5 Stability
331
8.6 Vortices and Monopoles
334
8.7 Two Phases of the Subnuclear Realm
343
Notes
348
9 Self-Interaction in Gauge Theories
353
9.1 Rearrangement of the Yang Mills Wong Theory
353
9.2 Self-Consistency
358
9.3 Paradoxes
360
Notes
365
10 Generalizations
367
10.1 Rigid Particle
367
10.2 Different Dimensions
372
10.2.1 Two Dimensions
374
10.2.2 Six Dimensions
376
10.3 Is the Dimension D = 3 Indeed Distinguished?
383
10.4 Nonlinear Electrodynamics
385
10.5 Nonlocal Interactions
393
10.6 Action at a Distance
401
Notes
407
Mathematical Appendices
411
A. Differential Forms
411
B. Lie Groups and Lie Algebras
416
C. The Gamma Matrices and Dirac Spinors
423
D. Conformal Transformations
427
E. Grassmannian Variables
434
F. Distributions
437
Notes
446
References
449
Index
469
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