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Asymptotic freedom: An approach to strong interactions

Politzer, H. David (1974) Asymptotic freedom: An approach to strong interactions. Physics Reports, 14 (4). pp. 129-180. ISSN 0370-1573. doi:10.1016/0370-1573(74)90014-3.

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The discovery of asymptotic freedom has opened up the possibility of extracting new sorts of detailed, dynamical consequences from a strongly interacting quantum field theory. The necessary tools - perturbation theory, the renormalization group, gauge theories, and the operator product expansion - are not new. To anyone familiar with these field theoretic approaches to strong interactions, the novel feature is a simple fact: there is a unique class of theories in which “the origin is an ultraviolet fixed point”. But the consequences are so exciting that it seemed appropriate to review these ideas as they reflect on each other. Many important applications of the renormalization group and the operator product expansion to hadronic physics are omitted; the emphasis here is on recent work based on asymptotically free field theories. No doubt, there are some developments so recent that they are not treated in this article. The discussion of the basic results concerning short distance behavior is informal, but, hopefully, accurate and complete. The specific applications are treated in varying detail.

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Politzer, H. David0000-0002-4983-6621
Additional Information:© 1974 Elsevier B.V. Received 17 June 1974. I would like to thank my many friends and colleagues, especially Sidney Coleman, Alvaro DeRüjula, Howard Georgi and Steve Weinberg, who have shared their thoughts on these subjects with me and offered helpful criticism. Work supported in part by the National Science Foundation under Grant Number GP4039X.
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Issue or Number:4
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Official Citation:H David Politzer, Asymptotic freedom: An approach to strong interactions, Physics Reports, Volume 14, Issue 4, 1974, Pages 129-180, ISSN 0370-1573, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70392
Deposited By: Joy Painter
Deposited On:29 Sep 2016 22:49
Last Modified:04 Oct 2022 19:53

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