Description
The Schwinger Action Principle and Effective Action
Cambridge Monographs on Mathematical Physics Series
Author: Toms David J.
An introduction to the Schwinger action principle for graduate students and researchers in theoretical physics.
Language: EnglishSubject for The Schwinger Action Principle and Effective Action:
The Schwinger Action Principle and Effective Action
Publication date: 08-2012
Support: Print on demand
Publication date: 08-2012
Support: Print on demand
Approximative price 163.88 €
Subject to availability at the publisher.
Add to cart the book of Toms David J.
The schwinger action principle and effective action
Publication date: 11-2007
508 p. · 17x24.4 cm · Hardback
Publication date: 11-2007
508 p. · 17x24.4 cm · Hardback
Description
/li>Contents
/li>
This book is an introduction to the Schwinger action principle in quantum mechanics and quantum field theory, with applications to a variety of different models including Bose?Einstein condensation, the Casimir effect and trapped Fermi gases. The book begins with a brief review of the action principle in classical mechanics and classical field theory. It then moves on to quantum field theory, focusing on the effective action method. This is introduced as simply as possible by using the zero-point energy of the simple harmonic oscillator as the starting point. The book concludes with a more complete definition of the effective action, and demonstrates how the provisional definition used earlier is the first term in the systematic loop expansion. The renormalization of interacting scalar field theory is presented to two-loop order. This book will interest graduate students and researchers in theoretical physics who are familiar with quantum mechanics.
Preface; 1. Action principle in classical mechanics; 2. Action principle in classical field theory; 3. Action principle in quantum theory; 4. The effective action; 5. Quantum statistical mechanics; 6. Effective action at finite temperature; 7. Further applications of the Schwinger action principle; 8. General definition of the effective action; Appendices; References; Index.
© 2024 LAVOISIER S.A.S.