Non-renormalisation of extremal correlators in N=4 SYM theory

Authors
Bianchi, M Kovacs, S
Citation
M. Bianchi et S. Kovacs, Non-renormalisation of extremal correlators in N=4 SYM theory, PHYS LETT B, 468(1-2), 1999, pp. 102-110
Citations number
34
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
03702693 → ACNP
Volume
468
Issue
1-2
Year of publication
1999
Pages
102 - 110
Database
ISI
SICI code
0370-2693(19991125)468:1-2<102:NOECIN>2.0.ZU;2-A
Abstract
We show that extremal correlators of chiral primary operators in N = 4 supe rsymmetric Yang-Mills theory with SU(N) gauge group are neither renormalise d at first (g(2)) order in perturbation theory nor receive contribution fro m any instanton sector at leading order in the semiclassical expansion. Thi s lends support to the strongest version of a new prediction recently put f orward on the basis of the AdS/SCFT correspondence. (C) 1999 published by E lsevier Science B.V. All rights reserved.