30 September 2015 to 3 October 2015
Yerevan, Armenia
Etc/GMT+4 timezone

Structure of hybrid stars with the Field Correlator Method

30 Sep 2015, 09:40
40m
2nd floor Conference Room (Phys. Dep., YSU)

2nd floor Conference Room

Phys. Dep., YSU

Speaker

Fiorella Burgio (INFN Sezione di Catania)

Description

I will discuss the structure of hybrid stars built with equations of state (EoS) derived in the Field Correlator Method (FCM) for quark matter, and in the Bruckner-Hartree-Fock (BHF) theory for the hadronic matter, including hyperons. I will show that the FCM equation of state can be accurately represented by the “constant speed of sound” (CSS) parameterization, which assumes a sharp transition to a high-density phase with density-independent speed of sound. A mapping between the FCM and CSS parameters can be performed, according to the chosen values of the quark-antiquark potential $V_1$ and the gluon condensate $G_2$. The observation of a $2M_\odot$ neutron star mass allows FCM equations of state in a restricted subspace of the CSS parameters.

Primary author

Fiorella Burgio (INFN Sezione di Catania)

Presentation Materials

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