Quantum Field Theory
From Operators to Path Integrals
1. Edition August 1998
XX, 426 Pages, Hardcover
72 Pictures
Textbook
Short Description
Quantum field theory-the basics needed to understand the behavior of all matter-is frequently approached from the narrow, more theoretical perspective of particle physics. This work takes a unique, more general approach, including numerous applications in surface and materials. Numerous graphs and charts help explain the material clearly.
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A unique approach to quantum field theory, with emphasis on the principles of renormalization Quantum field theory is frequently approached from the perspective of particle physics. This book adopts a more general point of view and includes applications of condensed matter physics. Written by a highly respected writer and researcher, it first develops traditional concepts, including Feynman graphs, before moving on to key topics such as functional integrals, statistical mechanics, and Wilson's renormalization group. The connection between the latter and conventional perturbative renormalization is explained.
Quantum Field Theory is an exceptional textbook for graduate students familiar with advanced quantum mechanics as well as physicists with an interest in theoretical physics. It features:
* Coverage of quantum electrodynamics with practical calculations and a discussion of perturbative renormalization
* A discussion of the Feynman path integrals and a host of current subjects, including the physical approach to renormalization, spontaneous symmetry breaking and superfluidity, and topological excitations
* Nineteen self-contained chapters with exercises, supplemented with graphs and charts
Scalar Fields.
Relativistic Fields.
Canonical Formalism.
Electromagnetic Field.
Dirac Equation.
The Dirac Field.
Dynamics of Interacting Fields.
Feynman Graphs.
Vacuum Correlation Functions.
Quantum Electrodynamics.
Processes in Quantum Electrodynamics.
Perturbative Renormalization.
Path Integrals.
Broken Symmetry.
Renormalization.
The Gaussian Fixed Point.
In Two Dimensions.
Topological Excitations.
Appendices.
Index.
