Nuclear Magnetic Resonance And Relaxation

This book provides an introduction to the general principles of nuclear magnetic resonance and relaxation, concentrating on simple models and their application. The author has produced an introduction to the ideas and applications of nuclear magnetic resonance. The concepts of relaxation and the time domain are particularly emphasised. Some relatively advanced topics are treated, but the approach is graduated and all points of potential difficulty are carefully explained. An introductory classical discussion of relaxation is followed by a quantum mechanical treatment, but without making explicit use of the density operator. Only when the principles of relaxation are firmly established is the density operator approach introduced; and then its power becomes apparent. A selection of case studies is considered in depth, providing applications of the ideas developed in the text. There are a number of appendices, including one on random functions, to help the reader understand some of the more specialised aspects of the subject. This treatment of one of the most important experimental techniques in modern science will be of great value to final-year undergraduates, graduate students and researchers using nuclear magnetic resonance, particularly physicists, and especially those involved in the study of condensed matter physics. NUCLEAR MAGNETIC RESONANCE AND RELAXATION NUCLEAR MAGNETIC RESONANCE AND RELAXATION BRIAN COWAN Royal Holloway University of London CAMBRIDGE UNIVERSITY PRESS CAMBRIDGE UNIVERSITY PRESS Cambridge, New York, Melbourne, Madrid, Cape Town, Singapore, Sao Paulo Cambridge University Press The Edinburgh Building, Cambridge CB2 2RU, UK Published in the United States of America by Cambridge University Press, New York www.cambridge.org Information on this title: www.cambridge.org/9780521303934 © Cambridge University Press 1997 This book is in copyright. Subject to statutory exception and to the provisions of relevant collective licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press. First published 1997 This digitally printed first paperback version 2005 A catalogue recordfor this publication is available from the British Library Library of Congress Cataloguing in Publication data Cowan, B. P., 1951Nuclear magnetic resonance and relaxation / Brian Cowan. p. cm. Includes bibliographical references and index. ISBN 0 521 30393 1 1. Nuclear magnetic resonance. 2. Nuclear magnetic resonance Industrial applications. 3. Relaxation (Nuclear physics) I. Title. QC762.C69 1997 538'.362 dc21 96-46614 CIP ISBN-13 978-0-521-30393-4 hardback ISBN-10 0-521-30393-1 hardback ISBN-13 978-0-521-01811-1 paperback ISBN-10 0-521-01811-0 paperback Contents Preface page xix <