Quantum Mechanics - Physics Author:Albert Messiah Simple enough for students yet sufficiently comprehensive to serve as a reference for working physicists, this classic text is celebrated for its clarity and coherence of presentation as well as the author’s fluid and literate style. Subjects include a detailed treatment of formalism and its interpretation, an analysis of simple systems, s... more »ymmetries and invariance, methods of approximation, and a review of the elements of relativistic quantum mechanics. "Strongly recommended"—American Journal of Physics.« less