Chaichian M & Demichev A - Path Integrals in Physics Vol 2 - Quantum Field Theory Statistical Physics Modern Applications (IOP 2001).pdf

Path Integrals in Physics
Vo lu me II
Quantum Field Theory, Statistical Physics and
other Modern Applications
Path Integrals in Physics
Volume II
Quantum Field Theory, Statistical Physics
and other Modern Applications
M Chaichian
Department of Physics, University of Helsinki
and
Helsinki Institute of Physics, Finland
and
ADemichev
Institute of Nuclear Physics, Moscow State University, Russia
Institute of Physics Publishing
Bristol and Philadelphia

c IOP Publishing Ltd 2001
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
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without the prior permission of the publisher. Multiple copying is permitted in accordance with the
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Committee of Vice-Chancellors and Principals.
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
ISBN 0 7503 0801 X (Vol. I)
0 7503 0802 8 (Vol. II)
0 7503 0713 7 (2 Vol. set)
Library of Congress Cataloging-in-Publication Data are available
Commissioning Editor: James Revill
Production Editor: Simon Laurenson
Production Control: Sarah Plenty
Cover Design: Victoria Le Billon
Marketing Executive: Colin Fenton
Published by Institute of Physics Publishing, wholly owned by The Institute of Physics, London
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Printed in the UK by Bookcraft, Midsomer Norton, Bath
Contents
Preface to volume II ix
3 Quantum field theory: the path-integral approach 1
Path-integral formulation of the simplest quantum field theories 2
3