Pauli and the Spin-Statistics Theorem This page is intentionally left blank Ian Duck Rice University, Houston, Texas, USA E C G Sudarshan University of Texas at Austin, USA Pauli and the Spin-Statistics Theorem World Scientific lb Singapore • New Jersey • London • Hong Kong Published by World Scientific Publishing Co. Pte. Ltd. P O Box 128, Fairer Road, Singapore 912805 USA office: Suite IB, 1060 Main Street, River Edge, NJ 07661 UK office: 57 Shelton Street, Covent Garden, London WC2H 9HE Library of Congress Cataloging-in-Publication Data Pauli and the spin-statistics theorem / editors, Ian Duck, E.C.G. Sudarshan. p. cm. Includes bibliographical references and index. ISBN 9810231148 1. Nuclear spin - Mathematical models. 2. Nuclear spin - Statistical methods. 3. Pauli exclusion principle. I. Duck, Jan. 1933- II. Sudarshan, E. C. G. QC793.3.S6P38 1997 530.13'3-dc21 97-36353 CIP British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. First published 1997 First reprint 1998 Copyright © 1997 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. Thisbook, or parts thereof, may not be reproducedin any form or by any means, electronic or mechanical, including photocopying, recording or any information storage and retrieval system now known or to be invented, without written permission from the Publisher. For photocopying of material in this volume, please pay a copying fee through the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, USA. In this case permission to photocopy is not required from the publisher. Printed in Singapore. Table of Contents AUTHORS - page IX. ACKNOWLEDGEMENTS - page X. FOREWORD - page 1-20. §0.1: Introduction; §0.2: Preliminary Remarks; §0.3: Anti- commutation Relations for Dirac Spin-| fields; §0.4: Commutation Relations for Klein-Gordon Fields; §0.5: Concluding Remarks; Bibliography and References. Part I: The Historic Era CHAPTER 1 - Discovery of the Exclusion Principle - page 21-49. §1.1: Introduction; §1.2: Pauli's Deduction of the Exclusion Principle; §1.3: Stoner's Explanation of the Periodic Table; §1.4: Biographical Note on E.C. Stoner; Bibliography and References; Appendix 1A: from W. Pauli, Zeits. f. Phys. 31, 765 (1925); Appendix IB: from E.C. Stoner, Phil. Mag. 48, 719 (1924). CHAPTER 2 - The Discovery of the Electron Spin-| - page 50-71. §2.1: Introduction; §2.2: Goudsmit and Uhlenbeck's Discovery of Spin; §2.3: Kronig's Frustrated Discovery of the Electron Spin; §2.4: Biographical Notes on: A.H. Compton, S.A. Goudsmit, G.E. Uhlenbeck, and R.deL. Kronig; Bibliography and References; Appendix 2A: from G.E. Uhlenbeck and S.A. Goudsmit, Die Naturwissenschaften 47, 953 (1925); Appendix 2B: from G.E. Uhlenbeck and S.A. Goudsmit, Nature 117, 264 (1926); Appendix 2C: from A.H. Compton, Journal of the Franklin Institute 192, 145 (1921); Appendix 2D: from R.deL. Kronig, Nature 117, 550 (1926). CHAPTER 3 - Bose-Einstein Statistics -page 72-107. §3.1: Bose's Quantum Deriva tion of Planck's Distribution; §3.2: Einstein's Application of Bose's New Insight; §3.3: Biographical Note on S.N. Bose; Bibliography and References; Appendix 3A: from Bose, Zeits. f. Phys. 26, 178 (1924); Appendix 3B,C,D: from A. Einstein, S.B.d. Preuss. Akad. Wiss. Ber. 22, 261 (1924); 1, 3 (1925); 3, 18 (1925). CHAPTER 4 - Wave Function of States of Many Identical Particles - page 108-130. §4.1: Introduction; §4.2: Heisenberg's Deduction of the Symmetrization Requirement; §4.3: Dirac's Introduction of the Symmetrization Postulate; §4.4: Epilog; §4.5: Biographi cal Note on Heisenberg; Bibliography and References; Appendix 4A: from W. Heisenberg, Zeits. f. Phys. 38, 411 (1926); from P.A.M. Dirac, Proc. Roy. Soc. A112, 661 (1926). CHAPTER 5 - Fermi-Dirac Statistics - page 131-148. §5.1: Introduction to Fermi's Derivation; §5.2: Dirac's Derivation of Fermi-Dirac Statistics; §5.3: Biographical Note on V Enrico Fermi; Bibliography and References; Appendix 5A: from E. Fermi, Zeits. f. Phys. 36, 902 (1926); Appendix 5B: from P.A.M. Dirac, Proc. Roy. Soc. A112, 661 (1926). CHAPTER 6 - Dirac's Invention of Quantum Field Theory - page 149-167. §6.1: Introductory Remarks; §6.2: Dirac's Invention of Second Quantization; §6.3: Application to Photon Emission and Absorption; Bibliography and References; Appendix 6A: from P.A.M. Dirac, Proc. Roy. Soc. A114, 243 (1927). CHAPTER 7 - The Jordan-Wigner Invention of Anticommutation for Fermi-Dirac Fields-page 168-203. §7.1: Introduction; §7.2: Jordan's Introduction of Anticommutation Relations; §7.3: Jordan and Wigner's Algebraic Developments; §7.4: Biographical Note on E.P. Jordan; Bibliography and References; Appendix 7A: from P. Jordan, Zeits. f. Phys. 44, 473 (1927); Appendix 7B: from P. Jordan and E. Wigner, Zeits. f. Phys. 47, 631 (1928). CHAPTER 8 - From Hole Theory to Positrons - page 204-228. §8.1: The Dirac Equa tion; §8.2: The Reinterpretation of Holes as Antiparticles; §8.3: Feynman's Interpretation of Dirac's Scenario; §8.4: Biographical Note on Dirac; Bibliography and References; Ap pendix 8A: from P.A.M. Dirac, Proc. Roy. Soc. A117, 610 (1928); Appendix 8B: from P.A.M. Dirac, Proc. Roy. Soc. A126, 360 (1930); Appendix 8C: from J.R. Oppenheimer, Phys. Rev. 35, 562 (1930); Appendix 8D: from H. Weyl, The Theory of Groups and Quantum Mechanics (Dover, New York, 1930); Appendix 8E: from P.A.M. Dirac, Proc. Roy. Soc. A133, 60 (1931); Appendix 8F: from CD. Anderson, Phys. Rev. 43, 491 (1933). CHAPTER 9 - Canonical Quantization of the Klein-Gordon Field - page 229-255. §9.1: Introduction; §9.2: Review of Lagrangian and Hamiltonian Classical Mechanics; §9.3: Canonical Quantization, First and Second Quantization; §9.4: Quantization of the Klein-Gordon Field; §9.5: Biographical Note on Weisskopf; Bibliography and References; Appendix 9A: from W. Pauli and V. Weisskopf, Helv. Phys. Acta 7, 709 (1934). Part II: The Pauli Era CHAPTER 10 - Pauli's First Proof of the Spin-Statistics Theorem - page 256-276. §10.1: Pauli's First Proof; §10.2: Iwanenko and Socolow's Second Quantization of the Dirac Equation; §10.3: Biographical Note on Iwanenko and Socolow; Bibliography and References; Appendix 10A: from W. Pauli, Ann. Inst H. Poincare 6, 137 (1936); Appendix 10.B: D. Iwanenko and A. Socolow, Phys. Zeits. d. Sowjetunion 11, 590 (1937). VI CHAPTER 11 - Fierz's Proof of the Spin-Statistics Theorem - page 277-300. §11.1: Introduction; §11.2: Guide to Fierz's Proof: Integral Spin; §11.3: Guide to Fierz's Proof; Half-Integral Spin; §11.4: Concluding Remarks; §11.5: Biographical Note on Fierz; Bibli ography and References; Appendix 11A: from M. Fierz, Helv. Phys. Acta 12, 3 (1939). CHAPTER 12 - Belinfante's Proof of the Spin-Statistics Theorem - page 301-329. §12.1: Introduction; §12.2: Belinfante's Proof using Charge-Conjugation; §12.3: Pauli's Criticism; §12.4: Concluding Remarks; §12.5: Biographical Note on F.J. Belinfante; Bib liography and References; Appendix 12A: from F.J. Belinfante, Physica 6, 870 (1939); Appendix 12B: from W. Pauli and F.J. Belinfante, Physica 7, 177 (1940). CHAPTER 13 - deWet's Proof Based on Canonical Field Theory - page 330-344. §13.1: Introduction; §13.2: deWet's Proof of the Spin-Statistics Theorem; §13.3: Bio graphical Note on J.S. deWet; Bibliography and References; Appendix 13A: from J.S. de Wet, PhD Thesis, Princeton Mathematics, 1939; Appendix 13B: J.S. deWet, Phys. Rev. 57, 646 (1940). CHAPTER 14 - Pauli's Proof of the Spin-Statistics Theorem - page 345-366. §14.1: Introduction; §14.2: Outline of Pauli's Proof; §14.3: Guide to Pauli's Proof; §14.4: Sum mary of Pauli's Proof; §14.5: Comparison of Fierz and Pauli Proofs; §14.6: Biographical Note on Pauli; Bibliography and References; Appendix 14A: from W. Pauli, Phys. Rev. 58, 716 (1940). Part III: The Wightman-Schwinger Era CHAPTER 15 - Feynman's Proof and Pauli's Criticism - page 368-389. §15.1: In troduction; §15.2: Feynman's Calculation of Vacuum Polarization; §15.3: Pauli's Analysis of Feynman's Proof; §15.4: Concluding Remarks; §15.5 Biographical Note on Feynman; Bibliography and References; Appendix 15A: from R.P. Feynman, Phys. Rev. 76, 749 (1949); Appendix 15B: from R.P. Feynman, Phys. Rev. 76, 769 (1949); Appendix 15C: from W. Pauli, Progr. Theor. Phys. 5, 526 (1950). CHAPTER 16 - Schwinger's Proof Using Time Reversal Invariance - page 390-404. §16.1: Introduction; §16.2: Schwinger's Proof. §16.3: Concluding Remarks; §16.4: Bi ographical Note on Schwinger; Bibliography and References; Appendix 16A: from J. Schwinger, Phys. Rev. 82, 914 (1951). CHAPTER 17 - The Proofs of Liiders and Zumino, and of Burgoyne - page 405-424. VII §17.1: Introduction. The Luders and Zumino Proof; §17.2: Burgoyne's Proof of the Spin- Statistics Theorem; §17.3: Concluding Remarks; §17.4: Biographical Notes on Luders, Zumino, and Burgoyne; Bibliography and References; Appendix 17A: from G. Luders and B. Zumino, Phys. Rev. 110, 1450 (1958); Appendix 17B: from N. Burgoyne, Nuovo Cim. 8, 607 (1958). CHAPTER 18 - The Hall-Wightman Theorem - page 425-447. §18.1: Introduction. Analytic Continuation for Free Fields; §18.2: The Essential Result of the Hall-Wightman Theorem; §18.3: Jost's Summary of the Pauli Era; §18.4: Biographical Note on Wightman; §18.5: Biographical Note on Jost; Bibliography and References; Appendix 18A: from A.S. Wightman, Phys. Rev. 101, 860 (1956); Appendix 18B: from D. Hall and A.S. Wightman, Mat. Fys. Medd. Dan. Vid. Selsk. 31, 5 (1957); Appendix 18C: from R. Jost, in Theoretical Physics in the Twentieth Century: A Memorial Volume to Wolfgang Pauli (Interscience, New York, 1960). CHAPTER 19 - Schwinger, Euclidean Field Theory, Source Theory, and the Spin- Statistics Connection - page 448-463. §19.1: Introduction; §19.2: Euclidean Field Theory; §19.3: Euclidean Proof of the Spin-Statistics Theorem; §19.4: Schwinger's Source Theory; §19.5: Concluding Remarks; Bibliography and References. Part IV: The Contemporary Era CHAPTER 20 - Responses to Neuenschwander's Question. Evaluation of Intuitive Proofs of the Spin-Statistics Theorem - page 464-484. §20.1: Introduction; §20.2: Bacry's Proof and Hilborn's Critique; §20.3: Topological Markers and Feynman's Models; §20.4: Critique of Topological Markers; §20.4: Feynman's Unitarity Argument Revisited; Bibli ography and References. CHAPTER 21 - Overview and Epilog - page 485-503. §21.1: Introduction; §21.2: Elementary Proof of the Spin-Statistics Theorem; §21.3: Further Comment on the Ele mentary Proof; §21.4: Dirac Equation from Grassmann Theory; §21.5: No Bose-Einstein Dirac Action; §21.6: No Fermi-Dirac Klein-Gordon Action; §21.7: Concluding Remarks; §21.8: Final Summary; Bibliography and References. Index - page 505. viii Authors Ian Duck, b. 1933 Kamloops, Canada; BSc 55 Queen's; res asst, 55- 56 UBC; PhD 61 Caltech; Research Assoc. 61-63 USC; Research Assoc. to Prof of Physics 63- Rice University; theoretical research in nuclear and particle physics from ev to Gev; radiative capture of light nuclei, muon capture, bremstrahlung in p-p scattering, Faddeev equations, N-A process, quark model of nucleon structure, models of color confinement, quark-gluon plasma excitation in 10 Gev p-nucleus annihilation, fine structure of the baryon octet-decuplet spectrum. Ennackel Chandy George Sudarshan, b. 1931 Kottayam, India; BSc 51, MA 52 Madras; res asst 52-55 Tata Inst; PhD 58 Rochester; Res Fellow 57-59 Harvard; to Assoc Prof Rochester 59-64; Prof Syracuse 64-69; Prof of Physics, Center for Theoretical Physics, Texas 69- ; concurrent po sitions at Bern 63-64, Brandeis 64, Madras 70-71, Bangalore 72-. Honors: DSc from Wisconsin, Delhi, Chalmers, Madras, Burdwan, Cochin; Medals: Order of the Lotus, Bose Medal, Sarvadhikari Medal and many others. Re search accomplishments: coinventer with R.E. Marshak of the universal V-A weak interaction (1957); published six books and over 350 journal articles in the areas of elementary particle theory, quantum theory, group theory, quan tum optics, and the foundations, philosophy and history of contemporary physics. IX