The Dropping of In-Medium Hadron Mass in Holographic QCD

Details The Dropping of In-Medium Hadron Mass in Holographic QCD The Dropping of In-Medium Hadron Mass in Holographic QCD

2011-04-13

arxiv.org/abs/1104.2362v1

JHEP 1107:008,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 7 figures

Scientific paper

10.1007/JHEP07(2011)008

We study the baryon density dependence of the vector meson spectrum using the D4/D6 system together with the compact D4 baryon vertex. We find that the vector meson mass decreases almost linearly in density at low density for small quark mass, but saturates to a finite non-zero value for large density. We also compute the density dependence of the $\eta\prime$ mass and the $\eta\prime$ velocity. We find that in medium, our model is consistent with the GMOR relation up to a few times the normal nuclear density. We compare our hQCD predictions with predictions made based on hidden local gauge theory that is constructed to model QCD.

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