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Il Nuovo Cimento B (1971-1996)

, Volume 74, Issue 2, pp 182–186 | Cite as

A special law of variation for Hubble’s parameter

  • M. S. Berman
Article

Summary

A law of variation for Hubble’s parameter in evolutionary models, that yields a constant value for the deceleration parameter, is presented. It leads naturally to the exclusion of open universes.

PACS. 98.80

Cosmology 

Калориметрический метод для измерения постоянной Стефана-Больцмана

Riassunto

Si presenta una legge di variazione per il parametro di Hubble nei modelli evolutivi, che dà un valore costante per il parametro di decelerazione. Essa porta naturalmente all'esclusione di universi aperti.

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References

  1. (1).
    R. Adler, M. Bazin andM. Schiffer:Introduction to General Relativity, 2nd edition (New York, N.Y., 1975), p. 421, 426 and 434.Google Scholar
  2. (2).
    W. H. McCrea:Proc. R. Soc. London Ser. A,206, 562 (1951).MathSciNetADSCrossRefzbMATHGoogle Scholar

Copyright information

© Società Italiana di Fisica 1983

Authors and Affiliations

  • M. S. Berman
    • 1
  1. 1.Department of FísicaInstituto Tecnológico de AeronáuticaSão José dos CamposBrazil

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