ARE NONRENORMALIZABLE GAUGE-THEORIES RENORMALIZABLE

Citation
J. Gomis et S. Weinberg, ARE NONRENORMALIZABLE GAUGE-THEORIES RENORMALIZABLE, Nuclear physics. B, 469(3), 1996, pp. 473-487
Citations number
45
Categorie Soggetti
Physics, Nuclear
Journal title
ISSN journal
05503213
Volume
469
Issue
3
Year of publication
1996
Pages
473 - 487
Database
ISI
SICI code
0550-3213(1996)469:3<473:ANGR>2.0.ZU;2-4
Abstract
We raise the issue whether gauge theories, that are not renormalizable in the usual power counting sense, are nevertheless renormalizable in the modern sense that all divergences can be cancelled by renormaliza tion of the infinite number of terms in the bare action, We find that a theory is renormalizable in this sense if the a priori constraints t hat we impose on the form of the bare action correspond to the cohomol ogy of the BRST-transformations generated by the action. Recent cohomo logy theorems of Barnich, Brandt, and Henneaux are used to show that c onventionally nonrenormalizable theories of Yang-Mills fields (such as quantum chromodynamics with heavy quarks integrated out) and/or gravi tation are renormalizable in the modem sense.