Phantom Inflation and Primordial Perturbation Spectrum

Abstract

In this paper we study the inflation model driven by the phantom field. We propose a possible exit from phantom inflation to our observational cosmology by introducing an additional normal scalar field, similar to hybrid inflation model. Then we discuss the primordial perturbation spectra from various phantom inflation models and give an interesting compare with those of normal scalar field inflation models.

4 pages, 3 eps figure, v2 refs. added, replaced with published version

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