2013
DOI: 10.48550/arxiv.1302.1579
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Laboratory search for a quintessence field

Michael V. Romalis,
Robert R. Caldwell

Abstract: A cosmic scalar field evolving very slowly in time can account for the observed dark energy of the Universe. Unlike a cosmological constant, an evolving scalar field also has local spatial gradients due to gravity. If the scalar field has a minimal derivative coupling to electromagnetism, it will cause modifications of Maxwell's equations. In particular, in the presence of a scalar field gradient generated by Earth's gravity, regions with a magnetic field appear to be electrically charged and regions with a st… Show more

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Cited by 4 publications
(7 citation statements)
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“…On the boundaries, for M = M critical1 one obtain charged Nariai black hole with the quintessence. The properties of such black holes will be described in detail in section (7). When M = M critical2 , one obtain cold black holes with the quintessence.…”
Section: Solution Spacementioning
confidence: 98%
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“…On the boundaries, for M = M critical1 one obtain charged Nariai black hole with the quintessence. The properties of such black holes will be described in detail in section (7). When M = M critical2 , one obtain cold black holes with the quintessence.…”
Section: Solution Spacementioning
confidence: 98%
“…When M = M critical2 , one obtain cold black holes with the quintessence. They are described in detail in section (7). When both boundaries meet, one obtain the ultra cold black holes which have zero temperature.…”
Section: Solution Spacementioning
confidence: 99%
See 1 more Smart Citation
“…There are also new experiments using NMR (Budker et al, 2014), atomic spectroscopy (Stadnik and Flambaum, 2014a), and resonant electromagnetic detectors (Chaudhuri et al, 2015) to search for coherently oscillating dark matter fields. A related proposal is that of Romalis and Caldwell (2013), who have noted that cosmological scalar fields, which may explain dark energy, have local spatial gradients that could have detectable electromagnetic couplings.…”
Section: H Emerging Ideasmentioning
confidence: 99%
“…Spin precession experiments [2,3,4,5,6] are a canonical test of Lorentz invariance. These look for an anomalous precession of a spin caused by an interaction between a spin moving against a background classical field.…”
Section: Introductionmentioning
confidence: 99%