Facts and Prospects of Gauge Theories - Proceedings of the XVII. Internationale Universitatswochen fur Kernphysik 1978 der Karl-Franzens-Universitat Graz at Schladming (Steiermark, Austria), 21st February - 3rd March 1978 (Paperback, Softcover reprint of the original 1st ed. 1978)

These lectures concern the properties of topological charge in gauge theories and the physical effects which have been attributed to its existence. No introduction to this subject would be adequate without a discussion of the original work of Belavin, Polyakov, Schwarz, and Tyupkin [1], of the beautiful calculation by 't Hooft [2,3], and of the occurrence of 8-vacua [4-6]. Other important topics include recent progress on solutions of the Yang-Mills equation of motion [7,8], and the problem of parity and time-reversal invariance in strong interactions [9] (axions [10,11], etc. ). In a few places, I have strayed from the conventional line and in one important case, disagreed with it. The im- portant remark concerns the connection between chirality and topological charge first pointed out by 't Hooft [2]: in the literature, the rule is repeatedly quoted with the wrong sign! If QS is the generator for Abelian chiral transformations of massless quarks with N flavours, the correct form of the rule is ssQs = - 2N {topological charge} (1. 1) where ssQS means the out eigenvalue of QS minus the in eigenvalue. The sign can be checked by consulting the standard WKB calculation [2,3], rotating to Minkowski space, and observing that the sum of right-handed chiralities of operators in a Green's function equals -ssQS. The wrong sign is an automatie consequence of a standard but incorrect derivation in which the axial charge is misidentified.

General

Imprint:	Springer-Verlag
Country of origin:	Austria
Series:	Few-Body Systems, 19/1978
Release date:	2012
First published:	1978
Editors:	Paul Urban
Dimensions:	244 x 170 x 45mm (L x W x T)
Format:	Paperback
Pages:	890
Edition:	Softcover reprint of the original 1st ed. 1978
ISBN-13:	978-3-7091-8540-7
Categories:	Books > Science & Mathematics > Physics > Atomic & molecular physics Books > Science & Mathematics > Physics > Nuclear structure physics Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics) > General
LSN:	3-7091-8540-8
Barcode:	9783709185407

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