Periodicity in the distribution of quasar redshifts and density perturbation in the early universe

Details Periodicity in the distribution of quasar redshifts and density perturbation in the early universe Periodicity in the distribution of quasar redshifts and density perturbation in the early universe

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984cha%26a...8...84f&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 8, Issue 1, p. 84-88.

Astronomy and Astrophysics

Astrophysics

Scientific paper

We made a power spectrum analysis on the quasar emission redshift distribution, and further confirmed the existence of periodicity in respect of the quantity x = F(z,qo) defined at (8).
The existence of this periodicity does not mean that the quasar redshift is non-cosmological, for it can be interpreted as a remnant of density (acoustic) perturbations in the early big-bang universe. For this model, we made a number of tests. We found: 1) the ratio of periodic to non-periodic components falls as the sample size increases; 2) the periodicity should be more marked for quasars in one region of the sky than for all quasars, and 3) the Jeans wavelength before the recombination epoch determines the length of the period. Using this model we also found that qo > 0.5, lending further support to the conclusion reached by other means that the universe may be closed.

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