Modified dark matter

Y. Jack Ng, Doug Edmonds, Duncan Farrah, Djordje Minic, Tatsu Takeuchi, Chiu Man Ho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Modified dark matter (MDM, formerly known as MoNDian dark matter) is a phenomenological model of dark matter, inspired by quantum gravity. We review the construction of MDM by generalizing entropic gravity to de-Sitter space as is appropriate for an accelerating universe (in accordance with the ΛCDM model). Unlike cold dark matter models, the MDM mass profile depends on the baryonic mass. We successfully fit the rotation curves to a sample of 30 local spiral galaxies with a single free parameter (viz., the mass-to-light ratio for each galaxy). We show that dynamical and observed masses agree in a sample of 93 galactic clusters. We also comment on strong gravitational lensing in the context of MDM.

Original languageEnglish (US)
Title of host publication14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings
EditorsRemo Ruffini, Massimo Bianchi, Remo Ruffini, Robert T Jantzen
PublisherWorld Scientific Publishing Co. Pte Ltd
Pages3942-3947
Number of pages6
ISBN (Electronic)9789813226593
StatePublished - 2018
Event14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Rome, Italy
Duration: Jul 12 2015Jul 18 2015

Publication series

Name14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings

Conference

Conference14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories
Country/TerritoryItaly
CityRome
Period7/12/157/18/15

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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