“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 14589
School of Particles and Accelerator
  Title:   Meson thermalization by baryon injection in D4/D6 model
  Author(s):  Zahra Rezaei
  Status:   Published
  Journal: Nucl. Phys. B
  Vol.:  913C
  Year:  2016
  Pages:   479-494
  Supported by:  IPM
We study meson thermalization in a strongly coupled plasma of quarks and gluons using AdS/CFT duality technique. Four dimensional large-N c QCD is considered as a theory governing this quark-gluon plasma (QGP) and D4/D6-brane model is chosen to be its holographic dual theory. In order to investigate meson thermalization, we consider a time-dependent change of baryon number chemical potential. Thermalization in gauge theory side corresponds to horizon formation on the probe flavor brane in the gravity side. The gravitational dual theory is compactified on a circle that the inverse of its radius is proportional to energy scale of dual gauge theory. It is seen that increase of this energy scale results in thermalization time dilation. In addition we study the effect of magnetic field on meson thermalization. It will be seen that magnetic field also prolongs thermalization process by making mesons more stable.

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