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SOLID STATE PHYSICS VOLUME 41 Founding Editors FREDERICK SEITZ DAVID TURNBULL SOLID STATE PHYSICS Advances in Research and Applications Editors HENRY EHRENREICH DAVID TURNBULL Division of Applied Sciences Harvard University, Cambridge, Massachusetts VOLUME 41 ACADEMIC PRESS, I N C . Harcourt Brace Jovanovich, Publishers San Diego New York Berkeley Boston London Sydney Tokyo Toronto COPYRIGHT 0 1988 BY ACADEMICPRESS, INC. ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPY, RECORDING, OR ANY INFORMATION STORAGE AND RETRIEVAL SYSTEM, WITHOUT PERMISSION IN WRITING FROM THE PUBLISHER. ACADEMIC PRESS, INC . 1250 Sixth Avenue San Diego, California 92101 United Kingdom Edition published by ACADEMIC PRESS INC. (LONDON) LTD. 24-28 Oval Road, London NWl 7DX LIBRARYOF CONGRESS CATALOG CARD ISBN 0-12-607741-X (alk. paper) PRINTED IN THE UNITED STATES OF AMERICA 88 89 90 91 9 8 7 6 5 4 3 2 I NUMBER: 55-12200 Contents CONTRIBUTORS TO VOLUME41 .............................................. PREFACE ................................................................ vii ix Theory of Heavy Fermion Systems PETER FULDE. JOACHIM KELLER.AND GERTRUD ZWICKNAGL 1. Introduction ........................................ I1 . Formation of the Singlet State ........................ ................................. 111. Quasiparticle Bands ........... I V. Quasiparticle-Phono ................. V. Quasiparticle Interactions and Fermi Liquid De VI . Microscopic Theories ........................... VII . Superconductivity .................................................. Appendix A: Molecular Model for Strongly Correlated Electrons . . . . . . . . . Appendix B: Parametrization of the Model Hamiltonian . . . . . . . . 2 7 22 40 63 71 103 144 147 The Theory and Application of Axial king Models JULIAYEOMANS I . Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I1 . Experimental Applications ........................ . . . . . . . . . . . . . . . . . . . 151 180 Excitations in Incommensurate Crystal Phases R. CURRAT AND T . JANSSEN I. I1. 111. I v. V. VI . VII . Introduction . . . . . . . . . Landau Theory of Mo ................................ Supersymmetry and Higher-Dimensional Space Groups . . . . . . . . . . . . . . . . . Microscopic Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Long-Wavelength Excitations in Composite Systems ..................... Experimental Results .................................. Concluding Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTHOR INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SUBJECTINDEX ........................................................... V 202 211 225 236 260 264 301 303 313 This Page Intentionally Left Blank Contributors to Volume 41 Numbers in parentheses indicate the pages on which the authors’ contributions begin. R. CURRAT, Institut hue-hngevin, Centre de Tri 156X, F-38042 GrenobleCedex, France (201) PETERFULDE, Max-Planck-Institutfur Festkorperforschung,D-7000 Stuttgart SO, Federal Republic of Germany (1) T. JANSSEN, Institute for Theoretical Physics, University of Nijmegen, nernooiveld, 6525 ED Nijmegen, The Netherlands (201) JOACHIM KELLER,Fachbereich Physik, Universitat Regensburg, 0-8400 Regensburg, Federal Republic of Germ