A note on the velocity of holographic long-lived mesons

Details A note on the velocity of holographic long-lived mesons A note on the velocity of holographic long-lived mesons

2009-12-15

arxiv.org/abs/0912.2954v1

Phys.Lett.B688:244-247,2010

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 2 figures

Scientific paper

10.1016/j.physletb.2010.03.085

We study fluctuations of a U(1) gauge field on the worldvolume of Nf probe D7-branes in the background of Nc black D3-branes with a finite baryon density. The choice of mode corresponds to vector mesons in the dual gauge theory whose mass and lifetime can be determined by a study of the quasinormal modes. The speed of propagation of these holographic mesons at large momenta is studied from the dispersion relations of the quasinormal modes of the system.

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