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Paper   IPM / Physic / 6859
School of Physics
  Title:   Exact Solutions for Cosmological Models with A Scalar Field
  Author(s): 
1.  H. Motavali
2.  M. Golshani
  Status:   Published
  Journal: Int. J. Mod. Phys. A
  No.:  18
  Vol.:  17
  Year:  2002
  Pages:   375-381
  Supported by:  IPM
  Abstract:
We consider the existence of a Noether symmetry in the scalar-tensor theory of gravity in flat Friedman-Robertson-Walker (FRW) cosmology. The forms of coupling function ω(ϕ) and generic potential V(ϕ) are obtained by requiring the existence of a Noether symmetry for such theory. We derive exact cosmological solutions of the field equations from a point-like Lagrangian.

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