Environmental Dependence of Masses and Coupling Constants

2007/09/30 by Keith A. Olive, Maxim Pospelov · 1 citation
Physics and Astronomy · #hep-ph

paper · pdf · doi:10.1103/physrevd.77.043524

published as Phys.Rev.D77:043524,2008 · 20 pages, no figures, references added, minor editorial changes

arxiv created 2008/01/04 · arxiv updated 2009/12/01

Abstract

We construct a class of scalar field models coupled to matter that lead to the dependence of masses and coupling constants on the ambient matter density. Such models predict a deviation of couplings measured on the Earth from values determined in low-density astrophysical environments, but do not necessarily require the evolution of coupling constants with the redshift in the recent cosmological past. Additional laboratory and astrophysical tests of Δαand Δ(m_p/m_e) as functions of the ambient matter density are warranted.

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