Region of hadron-quark mixed phase in hybrid stars

TL;DR

This paper investigates the hadron-quark mixed phase in hybrid stars, revealing it is likely confined to a narrower region due to charge screening, which may explain certain neutron star phenomena.

Contribution

It demonstrates that charge screening restricts the mixed phase region, offering new insights into neutron star structure and observable phenomena.

Findings

Mixed phase region is narrower due to charge screening.

Narrower mixed phase explains magnetic fields and glitches.

Implications for neutron star cooling curves.

Abstract

Hadron--quark mixed phase is expected in a wide region of the inner structure of hybrid stars. However, we show that the hadron--quark mixed phase should be restricted to a narrower region to because of the charge screening effect. The narrow region of the mixed phase seems to explain physical phenomena of neutron stars such as the strong magnetic field and glitch phenomena, and it would give a new cooling curve for the neutron star.