On Primordial Perturbations of Test Scalar Fields

Details On Primordial Perturbations of Test Scalar Fields On Primordial Perturbations of Test Scalar Fields

2006-08-11

arxiv.org/abs/gr-qc/0608058v2

Phys.Rev.D75:027301,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, no figures, clarifications and refs. added, typos corrected, to publish in PRD

Scientific paper

10.1103/PhysRevD.75.027301

The primordial perturbations of test scalar fields not affecting the evolution of background may be very interesting since they can be transferred to the curvature perturbations by some mechanisms, and thus under certain condition can be responsible for the structure formation of observable universe. In this brief report we study the primordial perturbations of test scalar fields in various (super)accelerated expanding backgrounds.

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