Open AccessRenormalization Group and Fixed Points: in Quantum Field Theory
Author(s) -
Timothy J. Hollowood
Publication year - 2013
Publication title -
medical entomology and zoology
Language(s) - English
Resource type - Book series
eISSN - 2185-5609
pISSN - 0424-7086
DOI - 10.1007/978-3-642-36312-2
Subject(s) - renormalization group , asymptotic safety in quantum gravity , quantum field theory , fixed point , ultraviolet fixed point , infrared fixed point , physics , group (periodic table) , mathematical physics , field theory (psychology) , functional renormalization group , field (mathematics) , mathematics , quantum , quantum mechanics , quantum electrodynamics , quantum gravity , thermal quantum field theory , pure mathematics , mathematical analysis
This Brief presents an introduction to the theory of the renormalization group in the context of quantum field theories of relevance to particle physics. Emphasis is placed on gaining a physical understanding of the running of the couplings. The Wilsonian version of the renormalization group is related to conventional perturbative calculations with dimensional regularization and minimal subtraction. An introduction is given to some of the remarkable renormalization group properties of supersymmetric theories
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