Searching for Exotic Cores with Binary Neutron Star Inspirals

被引：17

作者：

Chen, Hsin-Yu ^{[1
]}

Chesler, Paul M. ^{[1
]}

Loeb, Abraham ^{[1
]}

机构：

[1] Harvard Univ, Black Hole Initiat, Cambridge, MA 02138 USA

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2020年 / 893卷 / 01期

关键词：

Nuclear astrophysics; Gravitational waves; EQUATION-OF-STATE; MATTER;

D O I：

10.3847/2041-8213/ab830f

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the feasibility of detecting exotic cores in merging neutron stars with ground-based gravitational-wave detectors. We focus on models with a sharp nuclear/exotic matter interface, and assume a uniform distribution of neutron stars in the mass range [1, 2] M. We find that the existence of exotic cores can be confirmed at the 70% confidence level with as few as several tens of detections. Likewise, with such a sample, we find that some models of exotic cores can be excluded with high confidence.

引用

页数：5

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