On light-cone SFT contact terms in a plane wave
High Energy Physics - Theory
2009-11-07 v1
Abstract
Testing the BMN correspondence at non-zero string coupling g_s requires a one-loop string field theory calculation. At order g_s^2, matrix elements of the light-cone string field theory Hamiltonian between single-string states receive two contributions: the iterated cubic interaction, and a contact term {Q, Q} whose presence is dictated by supersymmetry. In this paper we calculate the leading large mu p^+ alpha' contribution from both terms for the set of intermediate states with two string excitations. We find precise agreement with the basis-independent order g_2^2 results from gauge theory.
Cite
@article{arxiv.hep-th/0211220,
title = {On light-cone SFT contact terms in a plane wave},
author = {Radu Roiban and Marcus Spradlin and Anastasia Volovich},
journal= {arXiv preprint arXiv:hep-th/0211220},
year = {2009}
}
Comments
15 pages, 1 figure