Correlators of local operators and 1/8 BPS Wilson loops on S^2 from 2d YM and matrix models Export

@article{citeulike:4785976, abstract = {We propose that, in N=4 Super Yang-Mills theory, correlation functions of certain 1/8 BPS Wilson loops and local operators inserted on a S^2 in space-time may be computed in terms of analogous observables in the "zero-instanton" sector of 2d Yang-Mills theory. The Wilson loops are mapped to the standard Wilson loops of the 2d theory, as recently conjectured, while the local operators are mapped to powers of the 2d field strength. We give several perturbative checks of the correspondence, and derive from 2d Yang-Mills a two-matrix model for the correlator of a local operator and a Wilson loop of arbitrary shape. We show that the strong coupling planar limit of the two-matrix model precisely agrees with a string theory calculation in AdS\_5 x S^5.}, archivePrefix = {arXiv}, author = {Giombi, Simone and Pestun, Vasily}, citeulike-article-id = {4785976}, citeulike-linkout-0 = {http://arxiv.org/abs/0906.1572}, citeulike-linkout-1 = {http://arxiv.org/pdf/0906.1572}, day = {8}, eprint = {0906.1572}, keywords = {bps, correlators, msym, wilson-loops}, month = {Jun}, posted-at = {2009-06-09 13:10:54}, priority = {2}, title = {Correlators of local operators and 1/8 BPS Wilson loops on S^2 from 2d YM and matrix models}, url = {http://arxiv.org/abs/0906.1572}, year = {2009} }

TY - JOUR ID - citeulike:4785976 L3 - citeulike-article-id:4785976 N2 - We propose that, in N=4 Super Yang-Mills theory, correlation functions of certain 1/8 BPS Wilson loops and local operators inserted on a S^2 in space-time may be computed in terms of analogous observables in the "zero-instanton" sector of 2d Yang-Mills theory. The Wilson loops are mapped to the standard Wilson loops of the 2d theory, as recently conjectured, while the local operators are mapped to powers of the 2d field strength. We give several perturbative checks of the correspondence, and derive from 2d Yang-Mills a two-matrix model for the correlator of a local operator and a Wilson loop of arbitrary shape. We show that the strong coupling planar limit of the two-matrix model precisely agrees with a string theory calculation in AdS_5 x S^5. TI - Correlators of local operators and 1/8 BPS Wilson loops on S^2 from 2d YM and matrix models KW - bps KW - correlators KW - msym KW - wilson-loops AU - Giombi, Simone AU - Pestun, Vasily PY - 2009/Jun/08/ UR - http://arxiv.org/abs/0906.1572 ER -