QCD phase diagram with chiral imbalance in NJL model: duality and lattice QCD results

Abstract

In addition to temperature and baryon chemical potential there are other parameters that matter in the real quark matter. One of them is isospin asymmetry which does exist in nature, for example, in the compact stars and in heavy ion collisions. The chiral imbalance, the difference between left- and right-handed quarks, is another phenomenon that could occur in quark matter. We have shown that lattice QCD results support the existence of the approximate duality in real QCD. The rise of pseudo-critical temperature with increase of chiral chemical potential ${\mu }_5$ (the much debated effect recently, a lot of studies on this contradict each other) has been established in terms of just duality notion, hence reinforce confidence in this result and put it on the considerably more solid ground.

arXiv commentProceeings of "The 4th International Conference on Particle Physics and Astrophysics", ICPPA-2018 Moscow, Russia, 22-26 October 2018

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Cited by in corpus (5)

• The dual properties of chiral and isospin asymmetric dense quark matter formed of two-color quarks
• Inhomogeneous phases in the chirally imbalanced $2+1$-dimensional Gross-Neveu model and their absence in the continuum limit
• Electrical neutrality and $\beta$-equilibrium conditions in dense quark matter: generation of charged pion condensation by chiral imbalance
• The phase structure of two color QCD and charged pion condensation phenomenon
• Phase structures of neutral dense quark matter and application to strange stars