On the scalar sector of the covariant graviton two-point function in de Sitter spacetime

Details On the scalar sector of the covariant graviton two-point function in de Sitter spacetime On the scalar sector of the covariant graviton two-point function in de Sitter spacetime

2000-11-18

arxiv.org/abs/gr-qc/0011062v3

Class.Quant.Grav. 18 (2001) 2933-2944

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, no figures, LaTeX, considerably shortened

Scientific paper

10.1088/0264-9381/18/15/308

We examine the scalar sector of the covariant graviton two-point function in de Sitter spacetime. This sector consists of the pure-trace part and another part described by a scalar field. We show that it does not contribute to two-point functions of gauge-invariant quantities. We also demonstrate that the long-distance growth present in some gauges is absent in this sector for a wide range of gauge parameters.

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