Nonlocality Effects in the Phase Diagram of Neutral Quark Matter

ANA G. GRUNFELD; DAVID B. BLASCHKE; DANIEL GOMEZ DUMM; THOMAS KLÄHN; NORBERTO N. SCOCCOLA

Dubna

Taller; Helmholtz International Summer School on Dense Matter in Heavy Ion Collisions and Astrophysics; 2006

We construct phase diagrams of two-flavor quark matter under compact star constraints for two nonlocal, covariant quark models (instanton liquid and one-gluon exchange (OGE) inspired) within the mean field approximation and compare the results for different diquark coupling strengths. For the OGE model, stable hybrid stars with quark cores are obtained.