Surfaces of constant redshift in an inflationary universe

Details Surfaces of constant redshift in an inflationary universe Surfaces of constant redshift in an inflationary universe

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...337..598l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 337, Feb. 15, 1989, p. 598-600.

Astronomy and Astrophysics

Astrophysics

2

Cosmology, Red Shift, Universe, Evolution (Development), Galaxies

Scientific paper

During the period of exponential expansion in an inflationary cosmology, comoving particles that appear within view of a reference observer first move to smaller redshift and then to larger redshift, effectively disappearing after a finite time. It is shown that this passage into and out of communication is not described by either the particle or event horizon, but is well represented by surfaces of constant redshift. Formulas for these surfaces are derived.

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