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Quantum Field Theory I: Foundations and Abelian and Non-Abelian Gauge Theories (Graduate Texts in Physics)

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Quantum Field Theory I: Foundations and Abelian and Non-Abelian Gauge Theories (Graduate Texts in Physics)

Quantum Field Theory I: Foundations and Abelian and Non-Abelian Gauge Theories (Graduate Texts in Physics) by E. B. Manoukian
English | 21 Jan. 2017 | ISBN: 3319309382 | 608 Pages | EPUB | 7.97 MB

This textbook covers a broad spectrum of developments in QFT, emphasizing those aspects that are now well consolidated and for which satisfactory theoretical descriptions have been provided. The book is unique in that it offers a new approach to the subject and explores many topics merely touched upon, if covered at all, in standard reference works.
A detailed and largely non-technical introductory chapter traces the development of QFT from its inception in 1926. The elegant functional differential approach put forward by Schwinger, referred to as the quantum dynamical (action) principle, and its underlying theory are used systematically in order to generate the so-called vacuum-to-vacuum transition amplitude of both abelian and non-abelian gauge theories, in addition to Feynman’s well-known functional integral approach, referred to as the path-integral approach. Given the wealth of information also to be found in the abelian case, equal importance is put on both abelian and non-abelian gauge theories.