REGULARIZING THE QUARK-LEVEL LINEAR SIGMA-MODEL

Authors
DELBOURGO R SCADRON MD RAWLINSON AA
Citation
R. Delbourgo et al., REGULARIZING THE QUARK-LEVEL LINEAR SIGMA-MODEL, Modern physics letters A, 13(23), 1998, pp. 1893-1898
Citations number
10
Categorie Soggetti
Physics, Nuclear","Physics, Particles & Fields","Physycs, Mathematical
Journal title
Modern physics letters A → ACNP
ISSN journal
02177323
Volume
13
Issue
23
Year of publication
1998
Pages
1893 - 1898
Database
ISI
SICI code
0217-7323(1998)13:23<1893:RTQLS>2.0.ZU;2-T
Abstract
We show that the finite difference, -i pi(2)m(2), between quadratic an d logarithmic divergent integrals integral d(4)p[m(2)(p(2) - m(2))(-2) - (p(2) - m(2))(-1)], as encountered in the linear sigma-model, is in fact regularization independent.