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Paper   IPM / Physic / 11175
School of Physics
  Title:   Rotating Mesons in the Presence of Higher Derivative Corrections from Gauge-String Duality
  Author(s): 
1.  M. Ali-Akbari
2.  K. Bitaghsir Fadafan
  Status:   Published
  Journal: Nucl. Phys. B
  Vol.:  835
  Year:  2010
  Pages:   221-237
  Supported by:  IPM
  Abstract:
We consider a rotating quark-antiquark (qq) pair in N=4 thermal plasma. By using AdS/CFT correspondence, the properties of this system have been investigated. We study variation of rotating string radius at the boundary as a function of the tip of U-shape string and angular velocity of rotating meson. We also extend the results to the higher derivative corrections i.e. ℜ2 and ℜ4 which correspond to finite coupling corrections on the rotating quark-antiquark system in the hot plasma. In ℜ4 case, the results are similar to the case without correction, except that screening length will be smaller. To study ℜ2 corrections, rotating quark-antiquark system in Gauss-Bonnet background has been considered. In general effect of these corrections

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