Gauge-Invariant Variables on Cosmological Hypersurfaces

Details Gauge-Invariant Variables on Cosmological Hypersurfaces Gauge-Invariant Variables on Cosmological Hypersurfaces

1998-04-21

arxiv.org/abs/gr-qc/9804046v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, Revtex, no figures

Scientific paper

We show how gauge-invariant cosmological perturbations may be constructed by an unambiguous choice of hypersurface-orthogonal time-like vector field (i.e., time-slicing). This may be defined either in terms of the metric quantities such as curvature or shear, or using some matter field. As an example, we show how linear perturbations in the covariant fluid-flow approach can then be presented in an explicitly gauge-invariant form in the coordinate based formalism.

Affiliated with

Also associated with

No associations

Rating

Gauge-Invariant Variables on Cosmological Hypersurfaces does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Gauge-Invariant Variables on Cosmological Hypersurfaces, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gauge-Invariant Variables on Cosmological Hypersurfaces will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-130530