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gr-qc1996
Density Spectrums from Kinetic Inflations
J. Hwang, H. Noh
The pole-like accelerated expansion stages purely driven by the coupling between the gravity and the dilaton field without referring to the potential term can be realized in a clas…
gr-qc1996
Cosmological Perturbations with Multiple Scalar Fields
J. Hwang
In this brief note we present a set of equations describing the evolution of perturbed scalar fields in a cosmological spacetime with multiple scalar fields. We take into account o…