Bits, Matrices and 1/N

Details Bits, Matrices and 1/N Bits, Matrices and 1/N

2002-06-07

arxiv.org/abs/hep-th/0206059v3

JHEP 0312 (2003) 052

Physics

High Energy Physics

High Energy Physics - Theory

11 pages

Scientific paper

10.1088/1126-6708/2003/12/052

We propose a simple string bit formalism for interacting strings in a plane wave background, in terms of supersymmetric quantum mechanics with a symmetric product target-space. We construct the light-cone supersymmetry generators and Hamiltonian at finite string coupling. We find a precise match between string amplitudes and the non-planar corrections to the correlation functions of BMN operators computed from gauge theory, and conjecture that this correspondence extends to all orders in perturbation theory. We also give a simple RG explanation for why the effective string coupling is g_2 = J^2/N instead of g_s = g_{ym}^2.

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