Two-layer compact stars with crystalline quark matter: Screening effect on the tidal deformability

Understand

(Abridged) It is well known that the tidal deformability of a compact star carries important information about the interior equation-of-state (EOS) of the star.

• The first gravitational-wave event GW170817 from a binary compact star merger observed by the LIGO/VIRGO detectors have already put limits on the tidal deformability and provided constraints on the ultra-high nuclear density EOS.
• In view of this ground breaking discovery, we revisit and extend our previous work [Phys.
• Rev.