1.4k citations · 16k across the 142 of their papers we have counts for
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astro-ph1998★ 128 cited
Constraining Variations in the Fine-Structure Constant with the Cosmic Microwave Background
Manoj Kaplinghat, Robert J. Scherrer, Michael S. Turner
Any time variation in the fine-structure constant alters the ionization history of the universe and therefore changes the pattern of cosmic microwave background fluctuations. We ca…
astro-ph1998★ 62 cited
Observational Constraints On Power-Law Cosmologies
M. Kaplinghat, G. Steigman, I. Tkachev +1
In a class of models designed to solve the cosmological constant problem by coupling scalar or tensor classical fields to the space-time curvature, the universal scale factor grows…