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Geometric Quantization in Action: Applications of Harmonic Analysis in Quantum Statistical Mechanics and Quantum Field Theory PDF

350 Pages·1983·2.91 MB·English
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Geometric Quantization in Action Mathematics and Its Applications Managing Editor: M. HAZEWINKEL Mathematical Centre, Amsterdam, The Netherlands Editorial Board: R. W. BROCKETT, Harvard University, Cambridge, Mass., U.S.A. J. CORONES, Iowa State University, Ames, Iowa, U.S.A. and Ames Laboratory, U.S. Department of Energy, Iowa, U.s.A. Yu. I. MANIN, Steklov Institute of Mathematics, Moscow, U.S.S.R. A. H. G. RINNOOY KAN, Erasmus University, Rotterdam, The Netherlands G.-c. ROTA, M.l.T., Cambridge, Mass., U.S.A. Volume 8 Norman E. Hurt MRJ Incorporated, Fairfax, Virginia, U.S.A. Geometric Quantization in Action Applications of Harmonic Analysis in Quantum Statistical Mechanics and Quantum Field Theory D. REIDEL PUBLISHING COMPANY Dordrecht : Holland / Boston : U.S.A. / London : England Library of Congress Cataloging in Publication Data Hurt, Norman, Geometric quantization in action. (Mathematics and its applications; v. 8) Bibliography: p. Includes index. I. Geometric quantization. 2. Quantum statistics. 3. Quantum field theory. 4. Harmonic analysis. I. Title. II. Series: Mathematics and its applications (D. Reidel Publishing Company); v. 8. QCI74.17.G46H87 1982 530.1'33 82-12370 ISBN-13: 978-94-009-6965-0 e-ISBN-13: 978-94-009-6963-6 DOl: 10.1007/978-94-009-6963-6 ~--~~~------ Published by D. Reidel Publishing Company P.O. Box 17, 3300 AA Dordrecht, Holland. Sold and distributed in the U.S.A. and Canada by Kluwer Boston Inc., 190 Old Derby Street, Hingham, MA 02043, U.S.A. In all other countries sold and distributed by Kluwer Academic Publishers Group, P.O. Box 322, 3300 AH Dordrecht, Holland. D. Reidel Publishing Company is a member of the Kluwer Group. All Rights Reserved. Copyright © 1983 by D. Reidel Publishing Company. Softcover reprint of the hardcover 1s t edition 1983 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical including photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner. Table of Contents Editorial Preface Xl Preface xiii CHAPTER O. Survey of Results 1 0.1. Introduction 1 0.2. Some Elementary Quantum Systems 2 0.3. Examples of Group Representations in Physics 5 0.4. Asymptotics in Statistical Mechanics 7 0.5. More Spectral Geometry 15 0.6. Statistical Mechanics and Representation Theory 21 0.7. Transformation Groups in Physics 21 0.8. Fiber Bundles 25 0.9. Orbit Spaces in Lie Algebras 25 0.10. Scattering Theory and Statistical Mechanics 28 0.11. Quantum Field Theory 32 CHAPTER 1. Representation Theory 41 1.1. Basic Ideas of Representation Theory 41 1.2. Induced Representations 42 1.3. Schur and Peter-Weyl Theorems 44 1.4. Lie Groups and Parallelization 45 1.5. Spectral Theory and Representation Theory 47 CHAPTER 2. Euclidean Group 56 2.1. The Euclidean Group and Semidirect Products 56 2.2. Fock Space, An Introduction 60 CHAPTER 3. Geometry of Symplectic Manifolds 63 3.1. Elementary Review of Lagrangian and Hamiltonian Mechanics: Notation 63 3.2. Connections on Principal Bundles 65 3.3. Riemannian Connections 67 vi Table of Contents 3.4. Geometry of Symplectic Manifolds 70 3.5. Classical Mechanics and Symmetry Groups 78 3.6. Homogeneous Symplectic Manifolds 79 CHAPTER 4. Geometry of Contact Manifolds 83 4.1. Contact Manifolds 83 4.2. Almost Contact Metric Manifolds 89 4.3. Dynamical Systems and Contact Manifolds 90 4.4. Topology of Regular Contact Manifolds 94 4.5. Infinitesimal Contact Transformations 95 4.6. Homogeneous Contact Manifolds 99 4.7. Contact Structures in the Sense of Spencer 101 4.8. Homogeneous Complex Contact Manifolds 102 CHAPTER 5. The Dirac Problem 107 5.0. Derivations of Lie Algebras 107 5.1. Geometric Quantization: An introduction 108 5.2. The Dirac Problem 112 5.3. Kostant and Souriau Approach 115 CHAPTER 6. Geometry of Polarizations 117 6.1. Polarizations 117 6.2. Riemann-Roch for Polarizations 120 6.3. Lie Algebra Polarizations 124 6.4. Spin Structures, Metaplectic Structures and Square Root Bundles 125 CHAPTER 7. Geometry of Orbits 129 7.1. Orbit Theory 129 7.2. Complete Integrability 134 7.3. Morse Theory of Orbit Spaces 138 CHAPTER 8. Fock Space 144 8.1. Fock Space and Cohomology 144 8.2. Nilpotent Lie Groups 148 CHAPTER 9. Borel-Weil Theory 151 9.1. Representation Theory for Compact Semisimple Lie Groups 151 9.2. Borel-Weil Theory 157 9.3. Cocompact Nilradical Groups 163 Table of Contents vii CHAPTER 10. Geometry of C-Spaces and R-Spaces 166 10.1. The Geometry of C-Manifolds 166 10.2. Kirillov Character Formula 172 10.3. Geometry of R-Spaces 173 10.4. Schubert Cell Decompositions 176 CHAPTER 11. Geometric Quantization 182 11.1. Geometric Quantization of Complex Manifolds 182 11.2. Harmonic Oscillator 183 11.3. The Kepler Problem - Hydrogen Atom 185 11.4. Maslov Quantization 186 CHAPTER 12. Principal Series Representations 190 12.1 Representation Theory for Noncompact Semisimple Lie Groups. Part I: Principal Series Representations 190 12.2. Applications to the Toda Lattice 194 CHAPTER 13. Geometry of De Sitter Spaces 197 13.1. De Sitter Spaces 197 CHAPTER 14. Discrete Series Representations 201 14.1. Representations of Noncompact Semisimple Lie Groups. Part II: Discrete Series 201 CHAPTER 15. Representations and Automorphic Forms 210 15.1. Geometric Quantization and Automorphic Forms 210 15.2. Bounded Symmetric Domains and Holomorphic Discrete Series 215 CHAPTER 16. Thermodynamics of Homogeneous Spaces 219 16.1. Density Matrices and Partition Functions 219 16.2. Epstein Zeta Functions 224 16.3. Asymptotes of the Density Matrix 226 16.4. Zeta Functions on Compact Lie Groups 232 16.5. Ising Models 234 CHAPTER 17. Quantum Statistical Mechanics 240 17.1. Quantum Statistical Mechanics on Compact Symmetric Spaces 240 17.2. Zeta Functions on Compact Lie Groups 261 viii Table of Contents CHAPTER 18. Selberg Trace Theory 263 18.1. The Selberg Trace Formula 263 18.2. The Partition Function and the Length Spectra 274 18.3. Noncompact Spaces with Finite Volume 277 CHAPTER 19. Quantum Field Theory 283 19.1. Applications to Quantum Field Theory 283 19.2. Static Space Times and Periodization 289 19.3. Examples of Zeta Functions in Quantum Field Theory 292 CHAPTER 20. Coherent States and Automorphic Forms 300 20.1. Coherent States and Automorphic Forms 300 References and Historical Comments 309 Bibliography 315 Subject index 332 To my parents, and to Susan, Michael and Jason Editor's Preface Approach your problems from the right It isn't that they can't see the solution. It end and begin with the answers. Then, is that they can't see the problem. one day, perhaps you will fmd the final question. G. K. Chesterton, The Scandal of Father Brown 'The Point of a Pin'. 'The Hermit Clad in Crane Feathers' in R. Van Gulik's The Chinese Maze Murders. Growing specialization and diversification have brought a host of monographs and textbooks on increasingly specialized topics. However, the 'tree' of knowledge of mathematics and related fields does not grow only by putting forth new branches. It also happens, quite often in fact, that branches which were thought to be completely disparate are suddenly seen to be related. Further, the kind and level of sophistication of mathematics applied in various sciences has changed drastically in recent years: measure theory is used (non-trivially) in regional and theoretical economics; algebraic geo metry interacts with physics; the Minkowsky lemma, coding theory and the structure of water meet one another in packing and covering theory; quantum fields, crystal defects and mathematical progmmming profit from homotopy theory; Lie algebras are relevant to fIltering; and prediction and electrical engineering can use Stein spaces. This series of books, Mathematics and Its Applications, is devoted to such (new) interrelations as exempla gratia: a central concept which plays an important role in several different mathe matical and/or scientific specialized areas; new applications of the results and ideas from one area of scientific endeavour into another; influences which the results, problems and concepts of one field of en quiry have and have had on the development of another. With books on topics such as these which are stimulating rather than definitive, intriguing rather than encyclopaedic, we hope to contribute something towards better communication among the practitioners in diversified fields. xi

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Approach your problems from the right It isn't that they can't see the solution. It end and begin with the answers. Then, is that they can't see the problem. one day, perhaps you will fmd the final question. G. K. Chesterton, The Scandal of Father Brown 'The Point of a Pin'. 'The Hermit Clad in Cran
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