Providing a systematic introduction to the techniques which are fundamental to quantum field theory, this book pays special attention to the use of these techni

This systematic algebraic approach offers a careful formulation of the problems' physical motivations as well as self-contained descriptions of the mathematical

This comprehensive introduction to the many-body theory was written by three renowned physicists and acclaimed by American Scientist as "a classic text on field

This book formulates a unified approach to the description of many-particle systems combining the methods of statistical physics and quantum field theory. The b