MG15 - Talk detail

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In 1937, PAM Dirac suggested the idea that the dimensionless constants of physics must be in relation with the epoch (age of the universe expressed in atomic units). From this hypothesis known as Large Numbers Hypothesis or Dirac's Principle, he built a cosmological model in 1938 and it. Following this principle, P. Jordan developed a series of articles based on the conservation of the dimensionless numbers coincidence. He suggested a model of matter creation to counterbalance the expansion of the universe. Surprisingly, in the seventies, Dirac came back to his Large Numbers Hypothesis and published a new cosmological model, based on two metrics to describe the universe. We review and present the historical unknown development of the Large Numbers Hypothesis and its consequences in cosmology through the works of this two famous authors.

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