Quark matter in compact stars?

M. Alford (), D. Blaschke, A. Drago, T. Klähn, G. Pagliara and J. Schaffner-Bielich
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M. Alford: Washington University
D. Blaschke: Instytut Fizyki Teoretycznej, Uniwersytet Wroclawski
A. Drago: Universitä di Ferrara
T. Klähn: Institut für Physik, Universität Rostock
G. Pagliara: Universitä di Ferrara
J. Schaffner-Bielich: Institut für Theoretische Physik, Goethe Universität

Nature, 2007, vol. 445, issue 7125, E7-E8

Abstract: 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.

Date: 2007
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DOI: 10.1038/nature05582

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