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Quark matter in compact stars?

Author

Listed:
  • M. Alford

    (Washington University)

  • D. Blaschke

    (Instytut Fizyki Teoretycznej, Uniwersytet Wroclawski
    Institut für Physik, Universität Rostock)

  • A. Drago

    (Universitä di Ferrara
    INFN, Sezione di Ferrara)

  • T. Klähn

    (Institut für Physik, Universität Rostock
    GSI)

  • G. Pagliara

    (Universitä di Ferrara
    INFN, Sezione di Ferrara)

  • J. Schaffner-Bielich

    (Institut für Theoretische Physik, Goethe Universität)

Abstract

Arising from: F. Özel. Nature 441, 1115–1117 (2006)10.1038/nature04858 ; Özel replies In a theoretical interpretation of observational data from the neutron star EXO 0748–676, Özel concludes that quark matter probably does not exist in the centre of neutron stars1. However, this conclusion is based on a limited set of possible equations of state for quark matter. Here we compare Özel's observational limits with predictions based on a more comprehensive set of proposed quark-matter equations of state from the literature, and conclude that the presence of quark matter in EXO 0748–676 is not ruled out.

Suggested Citation

  • M. Alford & D. Blaschke & A. Drago & T. Klähn & G. Pagliara & J. Schaffner-Bielich, 2007. "Quark matter in compact stars?," Nature, Nature, vol. 445(7125), pages 7-8, January.
    • Handle: RePEc:nat:nature:v:445:y:2007:i:7125:d:10.1038_nature05582
    DOI: 10.1038/nature05582
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