The Virtual Photon Structure Functions and AdS/QCD Correspondence

Details The Virtual Photon Structure Functions and AdS/QCD Correspondence The Virtual Photon Structure Functions and AdS/QCD Correspondence

2009-02-06

arxiv.org/abs/0902.1015v1

Prog.Theor.Phys.123:79-87,2010

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 1 figure

Scientific paper

10.1143/PTP.123.79

We study the virtual photon structure functions from gauge/string duality. If the Bjorken variable x is not small, supergravity approximation becomes good in dual string theory. We calculate the virtual photon structure functions at large 't Hooft coupling in a moderate x-region and determine x-behavior of the structure functions. We also show that the Callan-Gross relation F_L=0 is satisfied to a good approximation in gravity calculation.

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