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“School of Physics”

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Paper   IPM / P / 6926
School of Physics
  Title:   Barut-Girardello Coherent States for the Morse Potential
  Author(s): 
1.  H. Fakhri
2.  A. Chenaghlou
  Status:   Published
  Journal: Phys. Lett. A
  No.:  52
  Vol.:  310
  Year:  2003
  Pages:   1-8
  Supported by:  IPM
  Abstract:
Using the shape invariance idea, it is shown that the quantum states of Morse potential represent an infinite-dimensional Lie algebra the so-called Morse algebra. Then, we derive a representation of the Lie algebra u(1,1) by means of using the generators of the Morse algebra. Meanwhile, we obtain the BarutGirardello coherent states which are constructed as a linear combination of the quantum states corresponding to the Morse potential. Finally, we realise the resolution of the identity condition for the coherent states.

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