Of Matter And Spirit PDF
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a/Matter 7 d £ 'it Je~SaYSbY / ~~~~~!~ P. Enz TThhiiss ppaaggee iinntteennttiioonnaallllyy lleefftt bbllaannkk Selected Essays by Charles P. Enz CHARLES PAUL ENZ Geneva University, Switzerland World Scientific NEW JERSEY· LONDON· SINGAPORE· BEIJING· SHANGHAI· HONG KONG· TAIPEI· CHENNAI Published by World Scientific Publishing Co. Pte. Ltd. 5 Toh Tuck Link, Singapore 596224 USA office: 27 Warren Street, Suite 401-402, Hackensack, NJ 07601 UK office: 57 Shelton Street, Covent Garden, London WC2H 9HE British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library. Cover image: The author's aquarelle of house and garden. OF MATTER AND SPIRIT Selected Essays by Charles P Enz Copyright © 2009 by World Scientific Publishing Co. Pte. Ltd. All rights reserved. This book, or parts thereof, may not be reproduced in 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. ISBN-13 978-981-281-900-0 ISBN-lO 981-281-900-2 Printed in Singapore by World Scientific Printers v Contents Biographical and Topical Introduction 1 [1] W. Pauli's Scientific Work 29 [2] Is the Zero-Point Energy Real? 63 [3] 50 Years Ago Pauli Invented the Neutrino 73 [4] Applications of Quantum Mechanics (1926-1933) 81 [5] Pauli (Wolfgang) 1900-1958 91 [6] Bohr, Delbriick, Pauli and Biology 97 [7] Ernst Stueckelberg 107 [8] The Role of Space and the Problem of Localization 109 in Modern Physics [9] Wolfgang Pauli and the Role of the Observer in Modern Physics 121 [10] Quantum Theory in the Light of Modern Experiments 131 [11] After-Dinner Speech on Board the Ship 'Ville de Neucha.tel' 143 [12] Preface in: A Course on Many-Body Theory Applied to 147 Solid-State Physics [13] Rational and Irrational Features in Wolfgang Pauli's Life 149 [14] The Swiss Years of Albert Einstein 161 [15] Wolfgang Pauli and the Development of Quantum Field Theory 165 [16] Observability and Realism in Modern Experiments with 173 Correlated Quantum Systems vi [17] The Science of Matter: Fascination and Limits 191 [18] World-Space - Atom-Space: Fullness or Emptiness? 209 [19] Wolfgang Pauli - C.G. Jung, a Dialogue over the Boundaries 219 [20] The History and the Physics ofthe Zero-Point Energy 223 Biographical and Topical Introduction It is not surprising that this collection of essays begins with a lecture about the scientific work of my teacher Wolfgang Pauli [1], the winner of the Nobel Prize of 1945, to whom I have devoted two biographies, a more scientific one in English, 'No Time to be Brief' (Fig. 1), and a collection of his thoughts in German, his native language, 'Pauli hat gesagt' (Fig. 2). I had been invited to give the mentioned lecture in September 1972 at the Symposium in honour of that other celebrity in theoretical physics, Paul Dirac, held at the then new Institute of the International Atomic Energy Agency at Miramare outside of Trieste, Italy, and organized by my friend and former collaborator at the University of Neuchatel, Jagdish Mehra (Fig. 3). As to the spiritual aspect of this collection, it is surprisingly well reflected by the passage from Saint Paul's Letter to the Philippians 4,8 which the pastor in Oberuzwil SG, where I grew up, had chosen for my con firmation on Palm Sunday of 1941 (King James Bible): "Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things." My family had come to Oberuzwil from Paris when I was three years old. But the Enz are citizens of the mountainous land of Appenzell where my father had grown up. The interpretation of this last name is, in somewhat archaic German, 'des Abten Zell', meaning the abbot's township, which be longed to the ancient monastery of Saint Gallus, founded around 615 that became the city of St. Gallen. Similarly, halfway between Appenzell and the city of Constance to the North, there is a small town named Bischofszell, meaning the Zell of the bishop, namely the one of Constance. And connect ing the latter city to St. Gallen there was a road which still exists. Back to the title of this essay, matter, in its noblest form, namely that of crystals and, more precisely, of semiconductors, the material of which the computer chips are made, was the object of my first research endeavour. That was in 1953 when, already married, I had the good fortune of obtaining a paid job as the only theorist in the semiconductor laboratory of Professor Georg Busch at the Physics Department of ETH, the Swiss Federal Institute of Technology in Zurich where I had obtained my physics diploma with Professor Pauli the year before. The result of the mentioned research I presented in May 1954, first in German, at the meeting of the Swiss Physical Society in Solothurn and, again, at the first International Conference on Semiconductors held that summer in Amsterdam, this time in English. Time to be Brief, A scientific biography of Wolfgang Pauli' (Book-cover) © 2002 Reprinted by permission of Oxford University Press. Eine Biographie des Nobelpreistragers Wolfgang Pauli' Pauli-Archiv am CERN/Atelier MGhlberg, BasellVerlag Neue
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