Supernova Cosmology and the Fine Structure Constant

Details Supernova Cosmology and the Fine Structure Constant Supernova Cosmology and the Fine Structure Constant

2003-06-24

arxiv.org/abs/astro-ph/0306486v2

Prog.Theor.Phys.110:195-199,2003

Astronomy and Astrophysics

Astrophysics

6 pages

Scientific paper

10.1143/PTP.110.195

We study the dependence of the peak luminosity of Type Ia supernovae on the
fine structure constant $\alpha$. We find that decreasing (increasing) $\alpha$
enhances (reduces) the luminosity. Future experiments like SNAP could determine
the variation of $\alpha$ to a precision of $10^{-2}$.

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