Astrophysics and Space Science

, Volume 191, Issue 1, pp 107-124

First online:

Inflation and compactification from Galaxy redshifts?

  • G. PaálAffiliated withKonkoly Observatory of the Hungarian Academy of Sciences
  • , I. HorváthAffiliated withCentral Research Institute for Physics
  • , B. LukácsAffiliated withCentral Research Institute for Physics

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The distribution of galaxies in the pencil-beam surveys of Broadhurstet al. which proved periodical across 8–10 consecutive steps in a flat dust model withq 0=0.5 is found to reveal extended periodicity up to 16–17 phase-coherent steps, covering the total sample, in a flat, moderately inflationary model withq 0=−0.5 (vacuum/dust ratio 2/1). In the latter model the vacuum component helps to reach the critical density and lengthens the expansion time-scale. It is shown that the explanation of the found periodicity as a consequence of space compactification as suggested by G. Paál twenty years ago in connection with apparent quasar periodicities is still possible.