Environmental Dependence of Masses and Coupling Constants

Details Environmental Dependence of Masses and Coupling Constants Environmental Dependence of Masses and Coupling Constants

2007-09-24

arxiv.org/abs/0709.3825v3

Phys.Rev.D77:043524,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, no figures, references added, minor editorial changes

Scientific paper

10.1103/PhysRevD.77.043524

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 \Delta \alpha and \Delta(m_p/m_e) as functions of the ambient matter density are warranted.

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