Critical exponent omega at O(1/N) in O(N) x O(m) spin models

Details Critical exponent omega at O(1/N) in O(N) x O(m) spin models Critical exponent omega at O(1/N) in O(N) x O(m) spin models

2002-09-06

arxiv.org/abs/hep-th/0209053v1

Nucl.Phys. B644 (2002) 433-450

Physics

High Energy Physics

High Energy Physics - Theory

16 latex pages, 3 postscript figures

Scientific paper

10.1016/S0550-3213(02)00818-0

We compute the O(1/N) correction to the stability critical exponent, omega,
in the Landau-Ginzburg-Wilson model with O(N) x O(m) symmetry at the stable
chiral fixed point and the stable direction at the unstable antichiral fixed
point. Several constraints on the O(1/N) coefficients of the four loop
perturbative beta-functions are computed.

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