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Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 51: Schwerionenkollisionen und QCD Phasen VI

HK 51.9: Vortrag

Donnerstag, 18. März 2010, 18:45–19:00, HG II

Cold quark stars from hot lattice QCD — •Robert Schulze1,2 und Kämpfer Burkhard1,21Forschungszentrum Dresden-Rossendorf, PF 510119, 01314 Dresden, Germany — 2TU Dresden, Institut für Theoretische Physik, 01062 Dresden, Germany

Based on a quasiparticle model for β stable and electrically neutral deconfined matter we address the mass-radius relation of pure quark stars. The model is adjusted to recent hot lattice QCD results for 2+1 flavors with almost physical quark masses [1]. We find rather small radii and masses of equilibrium configurations composed of cold deconfined matter, well distinguished from neutron or hybrid stars.

[1] Bazavov et al., Phys. Rev. D 80 (2009) 014504.

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