Path Integrals in Quantum Mechanics, Statistics, Polymer Physics, and Financial Markets

by Hagen Kleinert, World Scientific. Hardback ISBN 9812381066, £84 ($138). Paperback ISBN 9812381074, £29 ($48).

This third edition is a significantly expanded version of the original textbook published in 1990. It includes, for the first time, explicit solutions of nontrivial quantum-mechanical systems, in particular the hydrogen atom.