Constraints on Higher Derivative Operators in the Matrix Theory Effective Lagrangian

Details Constraints on Higher Derivative Operators in the Matrix Theory Effective Lagrangian Constraints on Higher Derivative Operators in the Matrix Theory Effective Lagrangian

1998-10-12

arxiv.org/abs/hep-th/9810075v2

JHEP 9811:009,1998

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, harvmac, (Some equations corrected. Conclusions unchanged.)

Scientific paper

10.1088/1126-6708/1998/11/009

The consistency of Matrix theory with supergravity requires that in the large N_c limit terms of order v^4 in the SU(N_c) Matrix effective potential are not renormalized beyond one loop in perturbation theory. For SU(2) gauge group, the required non-renormalization theorem was proven recently by Paban, Sethi and Stern. In this paper we consider the constraints supersymmetry imposes on these terms for groups SU(N_c) with N_c>2. Non-renormalization theorems are proven for certain tensor structures, including the structures that appear in the one-loop effective action. However it is expected other tensor structures can in general be present, which may suffer renormalization at three loops and beyond.

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