Slowly rotating neutron star with holographic multiquark core: I-Love-Q relations

نویسندگان

چکیده

Moment of inertia ($I$), rotational (tidal) Love number (${\ensuremath{\lambda}}^{(\mathrm{rot})}$), and quadrupole moment ($Q$) slowly rotating massive neutron stars (NSs) with holographic multiquarks (MQs) core are computed in comparison to pure MQ stars. The chiral effective theory (CET) stiff equation state (EoS) is used the crust star. As previously established earlier work, dimensionless multipole moments $\overline{I},{\overline{\ensuremath{\lambda}}}^{(\mathrm{rot})}$, $\overline{Q}$ found be independent rotation parameters determined completely by zeroth-order star profile. Universal ``I-Love-Q'' relations Yagi Yunes [Science 341, 365 (2013); Phys. Rev. D 88, 023009 (2013)] mostly preserved even presence core. tidal deformation parameter ${\overline{\ensuremath{\lambda}}}^{(\mathrm{tid})}$ also explored connection $\overline{I},{\overline{\ensuremath{\lambda}}}^{(\mathrm{rot})},\overline{Q}$, two kinds universal I-Love-Q verified. However, unique kink plots multipoles respect mass compactness population can reveal existence NSs a

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ژورنال

عنوان ژورنال: Physical review

سال: 2022

ISSN: ['0556-2813', '1538-4497', '1089-490X']

DOI: https://doi.org/10.1103/physrevd.105.104018