Part I
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Introduction |
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1 |
Introduction and Defining the Path Integral |
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Appendix: The Trotter Product Formula |
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2 |
Probabilities and Probability Amplitudes for Paths |
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3 |
Correspondence Limit for the Path Integral (Heuristic) |
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Appendix: Useful Integrals |
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4 |
Vector Potentials and Another Proof of the Path Integral Formula |
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5 |
The Ito Integral and Gauge Transformations |
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6 |
Doing the Integral: Free Particle and Quadratic Lagrangians |
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Appendix: Exactness of the Sum over Classical Paths |
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7 |
Properties of Green's Functions; the Feynman-Kac Formula |
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8 |
Functional Derivatives and Commutation Relations |
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9 |
Brownian Motion and the Wiener Integral; Kac's Proof |
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10 |
Perturbation Theory and Feynman Diagrams |
Part II |
Selected Applications of the Path Integral |
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11 |
Asymptotic Analysis |
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12 |
The Calculus of Variations |
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13 |
The WKB Approximation and its Application to the Anharmonic Oscillator |
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14 |
Detailed Presentation of the WKB Approximation |
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15 |
WKB Near Caustics |
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16 |
Caustics and Uniform Asymptotic Approximations |
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17 |
The Phase of the Semiclassical Amplitude |
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18 |
The Semiclassical Propagator as a Function of Energy |
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19 |
Scattering Theory |
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20 |
Geometrical Optics |
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21 |
The Polaron |
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22 |
Spin and Related Matters |
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22.1 |
The Direct Method-Product Integrals or Time Ordered Products |
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22.2 |
Continuous Models for Spin |
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23 |
Path Integrals for Multiply Connected Spaces |
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23.1 |
Particle Constrained to a Circle |
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23.2 |
Rudiments of Homotopy Theory |
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23.3 |
Homotopy Applied to the Path Integral |
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23.4 |
Extensions of Symmetric Operators |
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24 |
Quantum Mechanics on Curved Spaces |
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25 |
Relativistic Propagators and Black Holes |
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26 |
Applications to Statistical Mechanics |
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27 |
Coherent State Representation |
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28 |
Systems with Random Impurities |
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29 |
Critical Droplets, Alias Instantons, and Metastability |
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Appendix: Small Oscillations about the Instanton |
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30 |
Renormalization and Scaling for Critical Phenomena |
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31 |
Phase Space Path Integral |
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32 |
Omissions, Miscellany, and Prejudices |
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32.1 |
Field Theory |
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32.2 |
Uncompleting the Square |
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32.3 |
Rubber: Path Integral Formulation of a Polymer as a Random Walk |
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32.4 |
Hard Sphere Gas Second Virial Coefficient |
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32.5 |
Adding Paths by Computer |
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32.6 |
A Perturbation Expansion Using the Path Integral |
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32.7 |
Solvable Path Integral with the Potential ax2 + b/x2 |
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32.8 |
Superfluidity |
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32.9 |
Fermions |
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32.10 |
Books and Review Papers on Path Integrals |
Author Index |
Subject Index |
Supplements |