Effects of three-body forces on the maximum mass of neutron stars in the lowest-order constrained variational formalism

被引：31
作者：
Goudarzi, S. [1 ]
Moshfegh, H. R. [1 ]
机构：
[1] Univ Tehran, Dept Phys, Tehran, Iran
来源：
PHYSICAL REVIEW C | 2015年 / 91卷 / 05期
关键词：
ASYMMETRICAL NUCLEAR-MATTER; EQUATION-OF-STATE; LOCV CALCULATIONS; ENERGY;
D O I：
10.1103/PhysRevC.91.054320
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：
The equation of state of neutron star matter is calculated within the lowest order constrained variational (LOCV) method using different two-body interactions and an Urbana type three-body force. The core of the neutron star is modelled by beta-stable matter. The corresponding neutron star mass-radius relations are presented and the effect of using a three-body interaction on the maximum gravitational mass of the star is also discussed. It is shown that including the three-body force generally increases the maximum gravitational mass.
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页数：10
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共 52 条
[11]   Auxiliary field diffusion Monte Carlo calculation of properties of oxygen isotopes [J].
Gandolfi, S ;
Pederiva, F ;
Fantoni, S ;
Schmidt, KE .
PHYSICAL REVIEW C, 2006, 73 (04)
[12]   CONSISTENT 3-NUCLEON FORCES IN THE NUCLEAR MANY-BODY PROBLEM [J].
GRANGE, P ;
LEJEUNE, A ;
MARTZOLFF, M ;
MATHIOT, JF .
PHYSICAL REVIEW C, 1989, 40 (02) :1040-1060
[13]   EFFECT OF DELTA-(1236) ON IMAGINARY COMPONENT OF NUCLEON-NUCLEON PHASE-SHIFTS [J].
GREEN, AM ;
NISKANEN, JA ;
SAINIO, ME .
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1978, 4 (07) :1055-1074
[14]  
Irvine J. M., 1979, J PHYS G, V5, P1
[15]   Neutron star properties and the equation of state of neutron-rich matter [J].
Krastev, P. G. ;
Sammarruca, F. .
PHYSICAL REVIEW C, 2006, 74 (02)
[16]   PHENOMENOLOGICAL 2-NUCLEON INTERACTION OPERATOR [J].
LAGARIS, IE ;
PANDHARIPANDE, VR .
NUCLEAR PHYSICS A, 1981, 359 (02) :331-348
[17]   Constraints on the symmetry energy using the mass-radius relation of neutron stars [J].
Lattimer, James M. ;
Steiner, Andrew W. .
EUROPEAN PHYSICAL JOURNAL A, 2014, 50 (02) :1-24
[18]   NEUTRON STAR MASSES AND RADII FROM QUIESCENT LOW-MASS X-RAY BINARIES [J].
Lattimer, James M. ;
Steiner, Andrew W. .
ASTROPHYSICAL JOURNAL, 2014, 784 (02)
[19]   PROPERTIES OF DENSE NUCLEAR AND NEUTRON MATTER WITH RELATIVISTIC NUCLEON-NUCLEON INTERACTIONS [J].
LI, GQ ;
MACHLEIDT, R ;
BROCKMANN, R .
PHYSICAL REVIEW C, 1992, 45 (06) :2782-2794
[20]   Consistent nucleon-nucleon potentials and three-body forces [J].
Li, Z. H. ;
Lombardo, U. ;
Schulze, H. -J. ;
Zuo, W. .
PHYSICAL REVIEW C, 2008, 77 (03)
123456