COMPOSITE OPERATORS AS INTEGRATION VARIABLES IN BEREZIN INTEGRALS-Reference-Cited by-同舟云学术

COMPOSITE OPERATORS AS INTEGRATION VARIABLES IN BEREZIN INTEGRALS

Published:1995-04-10 Issue:11 Volume:10 Page:901-909
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

DE FRANCESCHI G.¹²,PALUMBO F.²

Affiliation:

1. Dipartimento di Fisica dell’Universita’ La Sapienza, I-00185 Rome, Italy

2. INFN, Laboratori Nazionali di Frascati, P.O. Box 13, I–00044 Frascati, Italy

Abstract

We define nonlinear changes of variables in Berezin integrals as new integration variables of homogeneous polynomials of the defining elements in the Grassmann algebra. We perform such a change of variables in the partition function of QCD by introducing as integration variables cubic and quadratic polynomials of the quark field, with the quantum numbers of the nucleon and the meson respectively, and we suggest a perturbative scheme using these these functions as free states.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732395000983

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