Worldsheet Fluctuations and the Heavy Quark Potential in the AdS/CFT Approach Export

@article{citeulike:4303386, abstract = {We consider contributions to the heavy quark potential, in the AdS/CFT approach to SU(N) gauge theory, which arise from first order fluctuations of the associated worldsheet in anti-deSitter space. The gaussian fluctuations occur around a classical worldsheet configuration resembling an infinite square well, with the bottom of the well lying at the AdS horizon. The eigenvalues of the corresponding Laplacian operators can be shown numerically to be very close to those in flat space. We find that two of the transverse world sheet fields become massive, which may have implications for the existence of a L{\"u}scher term in the heavy quark potential. It is also suggested that these massive degrees of freedom may relate to extrinsic curvature in an effective D=4 string theory.}, archivePrefix = {arXiv}, author = {Greensite, J. and Olesen, P.}, citeulike-article-id = {4303386}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-th/9901057}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-th/9901057}, day = {7}, eprint = {hep-th/9901057}, keywords = {ads-cft, superstring, wilson-loops}, month = {Apr}, posted-at = {2009-04-12 23:44:19}, priority = {2}, title = {Worldsheet Fluctuations and the Heavy Quark Potential in the AdS/CFT Approach}, url = {http://arxiv.org/abs/hep-th/9901057}, year = {1999} }

TY - JOUR ID - citeulike:4303386 L3 - citeulike-article-id:4303386 N2 - We consider contributions to the heavy quark potential, in the AdS/CFT approach to SU(N) gauge theory, which arise from first order fluctuations of the associated worldsheet in anti-deSitter space. The gaussian fluctuations occur around a classical worldsheet configuration resembling an infinite square well, with the bottom of the well lying at the AdS horizon. The eigenvalues of the corresponding Laplacian operators can be shown numerically to be very close to those in flat space. We find that two of the transverse world sheet fields become massive, which may have implications for the existence of a L{\"u}scher term in the heavy quark potential. It is also suggested that these massive degrees of freedom may relate to extrinsic curvature in an effective D=4 string theory. TI - Worldsheet Fluctuations and the Heavy Quark Potential in the AdS/CFT Approach KW - ads-cft KW - superstring KW - wilson-loops AU - Greensite, J AU - Olesen, P PY - 1999/Apr/07/ UR - http://arxiv.org/abs/hep-th/9901057 ER -