Books

Books : reviews

Paul A. M. Dirac.
Principles of Quantum Mechanics: 4th edn.
OUP. 1958

The first edition of this work appeared in 1930, and its originality won it immediate recognition as a classic of modern physical theory. The fourth edition has been brought out to meet a continued demand. Some improvements have been made, the main one being the complete rewriting of the chapter on quantum electrodynamics, to bring in electron-pair creation. This makes it suitable as an introduction to recent works on quantum field theories.