Changes and additions to the new edition of this classic textbook include a new chapter on symmetries, new problems and examples, improved explanations, more numerical problems to be worked on a computer, new applications to solid state physics, and consolidated treatment of time-dependent potentials.

A clear and accessible introduction to theory and applications of quantum mechanics for junior/senior undergraduate students of physics.

Part I. Theory: 1. The wave function; 2. Time-independent Schrodinger equation; 3. Formalism; 4. Quantum mechanics in three dimensions; 5. Identical particles; 6. Symmetry; Part II. Application: 7. Time-independent perturbation theory; 8. The variational principle; 9. The WKB approximation; 10. Scattering; 11. Quantum dynamics; 12. Afterword; Appendix A. Linear algebra; Index.