Volume 551, March 2013
|Number of page(s)||6|
|Section||Stellar structure and evolution|
|Published online||12 February 2013|
Structure of the hadron-quark mixed phase in protoneutron stars
INFN Sezione di Catania, Dipartimento di FisicaUniversitá di
via Santa Sofia 64,
2 Physics Department, China University of Geoscience, 430074 Wuhan, PR China
3 Yukawa Institute for Theoretical Physics, Kyoto University, 606-8502 Kyoto, Japan
4 Department of Physics, Chiba Institute of Technology, 2-1-1 Shibazono, Narashino, 275-0023 Chiba, Japan
Received: 12 November 2012
Accepted: 30 December 2012
We study the hadron-quark phase transition in the interior of hot protoneutron stars, combining the Brueckner-Hartree-Fock approach for hadronic matter with the MIT bag model or the Dyson-Schwinger model for quark matter. We examine the structure of the mixed phase constructed according to different prescriptions for the phase transition and the resulting consequences for stellar properties. We find important effects for the internal composition, but only very small influence on the global stellar properties.
Key words: dense matter / equation of state / stars: neutron / stars: evolution
© ESO, 2013
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