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Paper   IPM / Physic / 9011
School of Physics
  Title:   Non-Relativistic CFT and Semi-Classical Strings
  Author(s): 
1.  A. Akhavan
2.  M. Alishahiha
3.  A. Davody
4.  A. Vahedi
  Status:   Published
  Journal: JHEP
  Vol.:  03
  Year:  2009
  Pages:   053
  Supported by:  IPM
  Abstract:
We study different features of 3D non-relativistic CFT using gravity description. As the corresponding gravity solution can be embedded into the type IIB string theory, we study semi-classical closed/open strings in this background. In particular we consider folded rotating and circular pulsating closed strings where we find the anomalous dimension of the dual operators as a function of their quantum numbers. We also consider moving open strings in this background which can be used to compute the drag force. In particular we find that for slowly moving particles, the energy is lost exponentially and the characteristic time is given in terms of the temperature, while for fast moving particles the energy loss goes as inverse of the time and the characteristic time is independent of the temperature.

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