English

Baryon Spectra and AdS/CFT Correspondence

High Energy Physics - Theory 2009-11-07 v2

Abstract

We provide a detailed map between wrapped D3-branes in Anti-de Sitter (AdS) backgrounds and dibaryon operators in the corresponding conformal field theory (CFT). The effective five dimensional action governing the dynamics of AdS space contains a U(1)RU(1)_R gauge field that mediates interactions between objects possessing R-charge. We show that the U(1)RU(1)_R charge of these wrapped D3-branes as measured by the gauge field matches the R-charge of the dibaryons expected from field theory considerations. We are able, through a careful probe brane calculation in an AdS5×T1,1AdS_5\times T^{1,1} background, to understand the exact relation between the mass of the wrapped D3-brane and the dimension of the corresponding dibaryon. We also make some steps toward matching the counting of dibaryon operators in the CFT with the ground states of a supersymmetric quantum mechanical system whose target space is the moduli space of D-branes. Finally, we discuss BPS excitations of the D3-brane and compare them with higher dimension operators in the CFT.

Keywords

Cite

@article{arxiv.hep-th/0202150,
  title  = {Baryon Spectra and AdS/CFT Correspondence},
  author = {David Berenstein and Christopher P. Herzog and Igor R. Klebanov},
  journal= {arXiv preprint arXiv:hep-th/0202150},
  year   = {2009}
}

Comments

24 pages, typos corrected