Neutron star universal relations with microscopic equations of state

被引：47

作者：

Wei, J-B ^{[1
,2
]}

Figura, A. ^{[1
,2
]}

Burgio, G. F. ^{[1
,2
]}

Chen, H. ^{[3
]}

Schulze, H-J ^{[1
,2
]}

机构：

[1] Univ Catania, INFN, Sez Catania, Via Santa Sofia 64, I-95123 Catania, Italy

[2] Univ Catania, Dipartimento Fis, Via Santa Sofia 64, I-95123 Catania, Italy

[3] China Univ Geosci, Sch Math & Phys, Lumo Rd 388, Wuhan 430074, Hubei, Peoples R China

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2019年 / 46卷 / 03期

关键词：

neutron star equation of state; universal relations; many-body methods of nuclear matter; GW170817; tidal polarizability-moment of inertia-quadrupole deformation; MONTE-CARLO CALCULATIONS; X-RAY BINARY; OF-STATE; MULTIPOLE MOMENTS; NUCLEAR-EQUATION; MATTER; MASS; INERTIA; MODEL; RADII;

D O I：

10.1088/1361-6471/aaf95c

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We calculate neutron star's moment of inertia and deformabilities using various microscopic equations of state for nuclear and hybrid star configurations. We confirm several universal relations between the various observables in these cases. We focus in particular on the constraints for the neutron star radii imposed by a determination of the average tidal deformability of the binary neutron star system GW170817. We find compatible radii between 12 and 13 kilometers and identify the suitable equations of state.

引用

页数：17

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