The pinch technique and its applications to non-Abelian gauge theories

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Tác giả: Daniele Binosi, John M Cornwall, Joannis Papavassiliou

Ngôn ngữ: eng

ISBN-13: 978-1009402415

Ký hiệu phân loại: 530.1435 Theories and mathematical physics

Thông tin xuất bản: Cambridge : Cambridge University Press, 2023.

Mô tả vật lý: 1 online resource (xvii, 279 pages) : , illustrations (black and white), digital, PDF file(s).

Bộ sưu tập: Tài liệu truy cập mở

ID: 371942

Non-Abelian gauge theories, such as quantum chromodynamics (QCD) or electroweak theory, are best studied with the aid of Green's functions that are gauge-invariant off-shell, but unlike for the photon in quantum electrodynamics, conventional graphical constructions fail. The pinch technique provides a systematic framework for constructing such Green's functions, and has many useful applications. Beginning with elementary one-loop examples, this book goes on to extend the method to all orders, showing that the pinch technique is equivalent to calculations in the background field Feynman gauge. The Schwinger-Dyson equations are derived within the pinch technique framework, and are used to show how a dynamical gluon mass arises in QCD. Finally the volume turns to its many applications. This book is ideal for elementary particle theorists and graduate students. This 2011 title has been reissued as an Open Access publication on Cambridge Core.
Includes bibliographical references.
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