DOES GRAVITATIONAL-RADIATION LIMIT THE ANGULAR VELOCITIES OF SUPERFLUID NEUTRON-STARS

被引:77
作者
LINDBLOM, L [1 ]
MENDELL, G [1 ]
机构
[1] OBSERV PARIS, DEPT ASTROPHYS RELATIVISTE & COSMOL, F-92195 MEUDON, FRANCE
关键词
GRAVITATION; HYDRODYNAMICS; RADIATION MECHANISMS; NONTHERMAL; RELATIVITY; STARS; NEUTRON; ROTATION;
D O I
10.1086/175653
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The gravitational radiation instability which limits the rotation rates of normal neutron stars is studied using superfluid hydrodynamics and dissipation mechanisms. The influences of these superfluid effects on this instability are evaluated using simple analytical solutions to the superfluid pulsation equations. The superfluid dissipation mechanism ''mutual friction'' overwhelmingly suppresses the gravitational radiation instability according to these estimates. Thus, gravitational radiation does not limit the angular velocities of superfluid neutron stars.
引用
收藏
页码:804 / 809
页数:6
相关论文
共 32 条
[1]   RAPID POSTGLITCH SPIN-UP OF THE SUPERFLUID CORE IN PULSARS [J].
ALPAR, MA ;
LANGER, SA ;
SAULS, JA .
ASTROPHYSICAL JOURNAL, 1984, 282 (02) :533-541
[2]  
ALPAR MA, 1992, STRUCTURE AND EVOLUTION OF NEUTRON STARS, P148
[3]  
ALPAR MA, 1988, AP J, V327, P725
[4]  
Chandrasekhar S., 1969, Ellipsoidal figures of equilibrium
[5]   EFFECT OF GRAVITATIONAL RADIATION ON SECULAR STABILITY OF MACLAURIN SPHEROID [J].
CHANDRASEKHAR, S .
ASTROPHYSICAL JOURNAL, 1970, 161 (02) :561-+
[6]   SOLUTIONS OF 2 PROBLEMS IN THEORY OF GRAVITATIONAL RADIATION [J].
CHANDRASEKHAR, S .
PHYSICAL REVIEW LETTERS, 1970, 24 (11) :611-+
[7]   DAMPING TIMES FOR NEUTRON-STAR OSCILLATIONS [J].
CUTLER, C ;
LINDBLOM, L ;
SPLINTER, RJ .
ASTROPHYSICAL JOURNAL, 1990, 363 (02) :603-611
[8]   THE EFFECT OF VISCOSITY ON NEUTRON-STAR OSCILLATIONS [J].
CUTLER, C ;
LINDBLOM, L .
ASTROPHYSICAL JOURNAL, 1987, 314 (01) :234-241
[9]   ACOUSTIC PROPERTIES OF NEUTRON STARS [J].
EPSTEIN, RI .
ASTROPHYSICAL JOURNAL, 1988, 333 (02) :880-894
[10]   UPPER LIMIT ON THE FREQUENCY OF PULSARS [J].
FRIEDMAN, JL .
PHYSICAL REVIEW LETTERS, 1983, 51 (01) :11-14