A dearth of dark matter in strong gravitational lenses

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I show that the lensing masses of the Sloan Lens Advanced Camera Surveys sample of strong gravitational lenses are consistent with the stellar masses determined from population synthesis models using the Salpeter initial mass function. This is true in the context of both General Relativity and modified Newtonian dynamics (MOND), and is in agreement with the expectation of MOND that there should be little classical discrepancy within the high surface brightness regions probed by strong gravitational lensing. There is also dynamical evidence from this sample supporting the claim that the mass-to-light ratio of the stellar component increases with the velocity dispersion.
Original languageEnglish
Pages (from-to)1781-1786
Number of pages6
JournalMonthly Notices of the Royal Astronomical Society
Publication statusPublished - Apr-2014


  • gravitational lensing: strong
  • galaxies: elliptical and lenticular
  • cD
  • galaxies: haloes
  • dark matter

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