This book is a very early systematic treatment of the application of the field-theoretical methods developed after the Second World War to the quantum mechanical many-body problem at finite temperature. It describes various techniques that remain basic tools of modern condensed matter physicists.
Publishers Foreword -- Advanced Book Classics -- Vita -- Special
Preface -- Editors Foreword -- Preface -- Mathematical Introduction --
Information Contained in G>and G< -- The Hartree and Hartree-Fock
Approximations -- Effect of Collisions on G -- A Technique for Deriving
Greens Function Approximations -- Transport Phenomena -- The Hartree
Approximation, the Collisionless Boltzmann Equation, and the Random Phase
Approximation -- Relation between Real and Imaginary Time Response Functions
-- Slowly Varying Disturbances and the Boltzmann Equation --
Quasi-Equilibrium Behavior: Sound Propagation -- The Landau Theory of the
Normal Fermi Liquid -- The Shielded Potential -- The T Approximation --
Appendix: Finite-Temperature Perturbation Theory
David Pines
