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Paper   IPM / Physic / 6546
School of Physics
  Title:   Tensor-Multi-Scalar Theories from Multidimensional Cosmology
  Author(s): 
1.  M. Rainer
2.  A. Zhuk
  Status:   Published
  Journal: Phys. Rev. D
  No.:  50
  Vol.:  54
  Year:  1996
  Pages:   6186-6192
  Supported by:  IPM
  Abstract:
Inhomogeneous multidimensional cosmological models with a higher-dimensional space-time manifold M=M0×∏i=1n Mi  (n ≥ 1) are investigated under dimensional reduction to tensor-multiscalar theories. In the Einstein conformal frame, these theories take the shape of a flat σ model. For the singular case where M0 is two dimensional, the dimensional reduction to dilaton gravity is preformed with different distinguished representations of the action.

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