Front Cover; Solid State Physics; Copyright Page; Contents; Contrbutors to Volume 41; Preface; Chapter 1. Theory of Heavy Fermion Systems; I. Introduction; II. Formation of the Singlet State; III. Quasiparticle Bands; IV. Quasiparticle-Phonon Interactions; V. Quasiparticle Interactions and Fermi Liquid Description; VI. Microscopic Theories; VII. Superconductivity; Appendix A: Molecular Model for Strongly Correlated Electrons; Appendix B: Parametrization of the Model Hamiltonian; Chapter 2. The Theory and Application of Axial Ising Models; I. Theory; II. Experimental Applications.

Chapter 3. Excitations in Incommensurate Crystal PhasesI. Introduction; II. Landau Theory of Modulated Systems; III. Supersymmetry and Higher-Dimensional Space Groups; IV. Microscopic Models; V. Long-Wavelength Excitations in Composite Systems; VI. Experimental Results; VII. Concluding Remarks; Author Index; Subject Index.