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Nobel prize for Gerardus 't Hooft and Martinus J.C. Veltman awarded in 1999 "for elucidating the quantum structure of electroweak interactions in physics'' |
’T HOOFT 1972B
't Hooft, G.; Veltman, M.;
Combinatorics of Gauge Fields
Nucl. Phys. B50 (1972) 318;
Abstracts
Gauge field theories can be described by many different sets of Feynman rules, depending on the particular gauge chosen. In this paper a prescription for obtaining the Feynman rules in different gauges is given. A rigorous combinatorial proof of the independence of the S-matrix of the chosen gauge is presented. The proof is general and applies to Yang-Mills type theories as well as to gravitation. For renormalizable Yang-Mills type theories it is shown that the renormalized theory is invariant with
respect to renormalized gauge transformations.
Related references
See also
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