COMPOSITE-OPERATORS AS INTEGRATION VARIABLES IN BEREZIN INTEGRALS

Authors
DEFRANCESCHI G PALUMBO F
Citation
G. Defranceschi et F. Palumbo, COMPOSITE-OPERATORS AS INTEGRATION VARIABLES IN BEREZIN INTEGRALS, Nuclear physics. B, 1995, pp. 820-822
Citations number
5
Categorie Soggetti
Physics, Nuclear
Journal title
Nuclear physics. B → ACNP
ISSN journal
05503213
Year of publication
1995
Supplement
42
Pages
820 - 822
Database
ISI
SICI code
0550-3213(1995):<820:CAIVIB>2.0.ZU;2-N
Abstract
We define nonlinear changes of variables in Berezin integrals, assumin g as new integration variables multilinear functions of the defining e lements of the Grassmann algebra. We apply such a change of variables to QCD by introducing as integration variables trilinear and bilinear functions of the quark field, with the quantum numbers of the nucleon and the meson respectively, and we suggest a perturbative scheme using these functions as free states.