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Cold dark matter heats up

Author

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  • Andrew Pontzen

    (University College London, London WC1E 6BT, UK
    Oxford Astrophysics, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UK
    Balliol College, University of Oxford, Broad Street, Oxford OX1 3BJ, UK)

  • Fabio Governato

    (University of Washington)

Abstract

In the ΛCDM paradigm, 95% of the Universe consists of dark energy and cold dark matter, but the low-density cores of dark matter measured at the centre of galaxies are hard to explain using this model; here a review of recent work shows that the action of stars and gas can significantly alter the distribution of cold dark matter through a coupling based on rapid gravitational potential fluctuations.

Suggested Citation

  • Andrew Pontzen & Fabio Governato, 2014. "Cold dark matter heats up," Nature, Nature, vol. 506(7487), pages 171-178, February.
    • Handle: RePEc:nat:nature:v:506:y:2014:i:7487:d:10.1038_nature12953
    DOI: 10.1038/nature12953
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