Computation of neutron star structure using modern equation of state

被引:26
|
作者
Bordbar, GH [1 ]
Hayati, M
机构
[1] Shiraz Univ, Dept Phys, Shiraz 71454, Iran
[2] Res Inst Astron & Astrophys Maragha, Maragha, Iran
来源
关键词
equation of state; structure; neutron star;
D O I
10.1142/S0217751X06028400
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
Using the modern equations of state derived from microscopic calculations, we have calculated the neutron star structure. For the neutron star, we have obtained a minimum mass about 0.1M circle dot which is nearly independent of the equation of state, and a maximum mass between 1.47M circle dot and 1.98M circle dot which is strongly dependent on the equation of state. It is shown that among the equations of state of neutron star matter which we have used, the stiffest one leads to higher maximum mass and radius and lower central density. It is seen that the given maximum mass for the Reid-93 equation of state shows a good consistency with the accurate observations of radio pulsars. We have indicated that the thickness of neutron star crust is very small compared to the predicted neutron star radius.
引用
收藏
页码:1555 / 1565
页数:11
相关论文
共 50 条
  • [41] Constraints on the nuclear equation of state and the neutron star structure from crustal torsional oscillations
    Sotani, Hajime
    Iida, Kei
    Oyamatsu, Kazuhiro
    [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2018, 479 (04) : 4735 - 4748
  • [42] Effects of dilute neutron matter on the neutron star crust equation of state
    Grams, G.
    Margueron, J.
    [J]. EUROPEAN PHYSICAL JOURNAL A, 2024, 60 (04):
  • [43] Microscopic nuclear equation of state with three-body forces and neutron star structure
    Lombardo, U
    Burgio, GF
    Schulze, HJ
    Zuo, W
    Zhou, XR
    [J]. TOURS SYMPOSIUM ON NUCLEAR PHYSICS V, 2004, : 473 - 482
  • [44] Neutron star properties and the equation of state of neutron-rich matter
    Krastev, P. G.
    Sammarruca, F.
    [J]. PHYSICAL REVIEW C, 2006, 74 (02):
  • [45] Ferromagnetism in neutron matter and its implication for the neutron star equation of state
    Diener, J. P. W.
    Scholtz, F. G.
    [J]. ASTROPHYSICS OF NEUTRON STARS 2010: A CONFERENCE IN HONOR OF M. ALI ALPAR, 2011, 1379
  • [46] Neutron star equation of state and uncertainty on the radius determination
    Fortin, M.
    [J]. INTERNATIONAL CONFERENCE PHYSICS OF NEUTRON STARS: 50 YEARS AFTER, 2017, 2017, 932
  • [47] EQUATION OF STATE OF NEUTRON STAR MATTER AT SUBNUCLEAR DENSITIES
    BUCHLER, JR
    BARKAT, Z
    [J]. BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1971, 16 (04): : 601 - +
  • [48] Dense matter equation of state for neutron star mergers
    Lalit, S.
    Mamun, M. A. A.
    Constantinou, C.
    Prakash, M.
    [J]. EUROPEAN PHYSICAL JOURNAL A, 2019, 55 (01):
  • [49] NEUTRON STAR MODELS BASED ON AN IMPROVED EQUATION OF STATE
    COHEN, JM
    LANGER, WD
    ROSEN, LC
    CAMERON, AGW
    [J]. ASTROPHYSICS AND SPACE SCIENCE, 1970, 6 (02) : 228 - &
  • [50] Assessment of Neutron Star Equation of State by Gravitational Waves
    Lee H.K.
    [J]. Physics of Particles and Nuclei Letters, 2018, 15 (4) : 343 - 347