QCD and a Holographic Model of Hadrons
Joshua ErlichDepartment of Physics, College of William and Mary, Williamsburg, Virginia 23187-8795, USAEmanuel KatzStanford Linear Accelerator Center, Stanford University, Stanford, California 94309, USAD. SonInstitute for Nuclear Theory, University of Washington, Seattle, Washington 98195-1550, USAMikhail StephanovDepartment of Physics, University of Illinois, Chicago, Illinois 60607-7059, USA
2005en
ABI
Аннотация
We propose a five-dimensional framework for modeling low-energy properties of QCD. In the simplest three parameter model we compute masses, decay rates and couplings of the lightest mesons. The model fits experimental data to within 10%. The framework is a holographic version of the QCD sum rules, motivated by the anti-de Sitter/conformal field theory correspondence. The model naturally incorporates properties of QCD dictated by chiral symmetry, which we demonstrate by deriving the Gell-Mann-Oakes-Renner relationship for the pion mass.
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