• DOI:10.1088/1475-7516/2011/12/005
Corpus ID: 119267616

Chameleon gravity, electrostatics, and kinematics in the outer galaxy

@article{Pourhasan2011ChameleonGE,
  title={Chameleon gravity, electrostatics, and kinematics in the outer galaxy},
  author={R. Pourhasan and N. Afshordi and R. Mann and A. Davis},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2011},
  volume={2011},
  pages={005-005}
}

R. Pourhasan, N. Afshordi, +1 author A. Davis

Published 2011

Physics

Journal of Cosmology and Astroparticle Physics

Light scalar fields are expected to arise in theories of high energy physics (such as string theory), and find phenomenological motivations in dark energy, dark matter, or neutrino physics. However, the coupling of light scalar fields to ordinary (or dark) matter is strongly constrained from laboratory, solar system, and astrophysical tests of the fifth force. One way to evade these constraints in dense environments is through the chameleon mechanism, where the field's mass steeply increases… CONTINUE READING

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