Non-Relativistic Quantum Dynamics

The bulk of known results in spectral and scattering theory for Schrodinger operators has been derived by time-independent (also called stationary) methods, which make extensive use of re­ solvent estimates and the spectral theorem. In very recent years t

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MA THEMA TICAL PHYSICS STUDIES A SUPPLEMENTARY SERIES TO LETTERS IN MATHEMATICAL PHYSICS

Editors:

D. ARNAL, Universite de Dijon, France M. FLA TO , Universite de Dijon, France M. GUENIN, Institut de Physique Theorique, Geneva, Switzerland R. RltczKA'/nstitute of Nuclear Research, Warsaw, Poland S. ULAM, University of Colorado, US.A. Assistant Editor:

J. C. Co R T E T, Universite de Dijon, France Editorial Board: H. ARAKI, Kyoto University, Japan A. O. BAR UT, University of Colorado, USA. J. P. ECKMANN, Institut de Physique Theorique, Geneva, Switzerland L. FAD D EE V, Steklov Institute of Mathematics, -Leningrad, USSR. C. FRONSDAL, UCLA, Los Angeles, USA. I. M. GELF AND, Moscow State University, USS.R. L. GROSS, Cornell University, USA. A. JAFFE, Harvard University, USA. J. P. JURZAK, Universite de Dijon, France M. KAC, The Rockefeller University, New York, USA. A. A. KIRILLOV ,Moscow State University, US.SR.

B. KOSTANT,M.I.T., US.A. A. LICHNEROWICZ, College de France, France E. H. LIEB, Princeton University, USA. B. NAG EL, K. T.H., Stockholm, Sweden

J. NIEDERLE,/nstitute of Physics CSA V, Prague, Czechoslovakia C. PIRON, Institut de Physique Theorique, Geneva, Switzerland A. SALAM, International Center for Theoretical Physics, Trieste, Italy I. E. SEGAL, M.I. T., USA. D. STERNHEIMER, College de France, France E. C. G. SUDARSHAN,University of Texas, US.A.

VOLUME 2

Non- Relativistic Quantum Dynamics by W. O. Amrein Department of Theoretical Physics, University of Geneva, Switzerland

D. Reidel Publishing Company Dordrecht, Holland / Boston, U.S.A. / London, England

Library of Congress Cataloging in Publication Data Amrein, Werner O. Non-relativistic quantum dynamics. (Mathematical physics studies; v. 2) Bibliography: p. Includes indexes. 1. Quantum theory. 2. Operator theory. I. Title. II. Series. QCI74.12.A48 530.1'2 81-10704 AACR2 ISBN 90-277-1324-3 (pbk.)

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 byKluwer 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 © 1981 by D. Reidel Publishing Company, Dordrecht, Holland No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic OJ mechanical, including photocopying, recording or by any informational storage and retrieval system, without written permission from the copyright owner

TABLE OF CONTENTS vii

Preface CHAPTER 1 : LINEAR OPERATORS IN HILBERT SPACE 1.1 Hilbert Space

1 1

1.2 Linear Operators

10

1.3 Integration in Hilbert Space

21

CHAPTER 2 : SELF-ADJOINT OPERATORS. SCHRODINGER OPERATORS 2.1 Self-Adjointness Criteria

26

2.2 Spectral Properties of Self-Adjoint Operators

30

2.3 Multiplication Operators. The Laplacian

38

2.4 Perturbation Theory. Schrodinger Hamiltoni