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This text examines the statistical and quantitative techniques for performing calculations in quantum field theory. This first chapter -- a survey of renormalization, functional differentiation and integration, and the Schwinger-Dyson equations -- occupies about one third of the entire text. Most problems in quantum field theory can be formulated by using the functional methods described in this chapter.Additional topics include dimensional regularization; the gauge and infrared properties of quantum electrodynamics; and asymptotic behavior and renormalization group methods. This text is largely self-contained and suitable for advanced graduate students of mathematical physics. Helpful reference features include an appendix, bibliography, and index.About the Author:Charles Nash is Professor of Mathematical Physics at the National University of Ireland, Maynooth.
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Vânzător: Elefant.ro
Brand: Dover Publications
