The radiation-matter transition in Jordan-Brans-Dicke theory

Abstract

We study the transition from radiation domination to matter domination in Jordan-Brans-Dicke theory, in particular examining how the Hubble length at equality depends on the coupling parameter $\omega$. We consider the prospects for using high-accuracy microwave anisotropy and large-scale structure data to constrain $\omega$ more strongly than by conventional solar system gravity experiments.

4 pages RevTeX file with one figures incorporated (uses RevTeX and epsf)

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• Microwave Background Constraints on Cosmological Parameters
• Measuring the galaxy power spectrum with future redshift surveys
• Nucleosynthesis Constraints on Scalar-Tensor Theories of Gravity
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