Cosmology of Light Moduli

Details Cosmology of Light Moduli Cosmology of Light Moduli

1998-01-13

arxiv.org/abs/hep-ph/9801280v1

Phys.Rev. D58 (1998) 046003

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages including 3 pictex-figures, Latex

Scientific paper

10.1103/PhysRevD.58.046003

In string/M-theory with a large compactification radius, some axion-like moduli can be much lighter than the gravitino. Generic moduli in gauge-mediated supersymmetry breaking models also have a mass far below the weak scale. Motivated by these, we examine the cosmological implications of light moduli for the mass range from the weak scale to an extremely small scale of order 10^{-26} eV, and obtain an upper bound on the initial moduli misalignment for both cases with and without a late entropy production.

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