New aspects of the BMN correspondence beyond the planar limit

Gutjahr, Petra; Pankiewicz, Ari

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New aspects of the BMN correspondence beyond the planar limit

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Gutjahr, Petra
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Gutjahr, P., & Pankiewicz, A. (2005). New aspects of the BMN correspondence beyond the planar limit. Fortschritte der Physik, 53, 554-560. Retrieved from http://www3.interscience.wiley.com/cgi-bin/abstract/110481816/ABSTRACT.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4F99-E

Abstract

We study the one-loop correction to the energy of free string states in light-cone string field theory. In particular, we construct the supermultiplet of states with two stringy excitations and explicitly determine the complete perturbative contribution to their energy shift from the impurity-conserving channel. The result does not reproduce the gauge theory prediction and features half-integer powers of the effective gauge coupling '. We show that the above truncation is incompatible with supersymmetry and thus not suited for conclusive tests of the BMN duality.