Time-variability of the fine-structure constant expected from the Oklo constraint and the QSO absorption lines

Details Time-variability of the fine-structure constant expected from the Oklo constraint and the QSO absorption lines Time-variability of the fine-structure constant expected from the Oklo constraint and the QSO absorption lines

2003-07-12

arxiv.org/abs/astro-ph/0307263v2

Phys.Lett. B573 (2003) 39-45

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures. Expanded section 2 and added discussion on the Re decay in section 4

Scientific paper

The data from the QSO absorption lines indicating a nonzero time-variability of the fine-structure constant has been re-analyzed on the basis of a "damped-oscillator" fit, as motivated by the same type of behavior of a scalar field, dilaton, which mimics a cosmological constant to understand the accelerating universe. We find nearly as good fit to the latest data as the simple weighted mean. In this way, we offer a way to fit the more stringent result from the Oklo phenomenon, as well.

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