Gauge/Gravity Duality and Strongly Coupled Light-Front Dynamics

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We find a correspondence between semiclassical gauge theories quantized on the light-front and a dual gravity model in anti-de Sitter (AdS) space, thus providing an initial approximation to QCD in its strongly coupled regime. This correspondence - light-front holography - leads to a light-front Hamiltonian and relativistic bound-state wave equations in terms of an invariant impact variable {zeta} which measures the separation of the quark and gluonic constituents within the hadron at equal light-front time. Light-front holography also allows a precise mapping of transition amplitudes from AdS to physical space-time. In contrast with the usual AdS/QCD framework, the internal structure ... continued below

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12 pages

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de Teramond, Guy F.; U., /Costa Rica; Brodsky, Stanley J. & /SLAC /Southern Denmark U., CP3-Origins August 12, 2011.

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We find a correspondence between semiclassical gauge theories quantized on the light-front and a dual gravity model in anti-de Sitter (AdS) space, thus providing an initial approximation to QCD in its strongly coupled regime. This correspondence - light-front holography - leads to a light-front Hamiltonian and relativistic bound-state wave equations in terms of an invariant impact variable {zeta} which measures the separation of the quark and gluonic constituents within the hadron at equal light-front time. Light-front holography also allows a precise mapping of transition amplitudes from AdS to physical space-time. In contrast with the usual AdS/QCD framework, the internal structure of hadrons is explicitly introduced in the gauge/gravity correspondence and the angular momentum of the constituents plays a key role. We also discuss how to introduce higher Fock-states in the correspondence as well as their relevance for describing the detailed structure of space and time-like form factors.

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12 pages

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  • Journal Name: PoS LC2010:029,2010; Conference: Invited talk at Light Cone 2010: Relativistic Hadronic and Particle Physics (LC2010), Valencia, Spain, 14-18 Jun 2010

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  • Report No.: SLAC-PUB-14259
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 1022581
  • Archival Resource Key: ark:/67531/metadc834132

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  • August 12, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Nov. 28, 2016, 6:24 p.m.

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de Teramond, Guy F.; U., /Costa Rica; Brodsky, Stanley J. & /SLAC /Southern Denmark U., CP3-Origins. Gauge/Gravity Duality and Strongly Coupled Light-Front Dynamics, article, August 12, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc834132/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.