Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-10-07
Phys.Rev.Lett.101:181102,2008
Physics
Nuclear Physics
Nuclear Theory
9 pages, 1 figure
Scientific paper
10.1103/PhysRevLett.101.181102
The gravity-mode (g-mode) eigenfrequencies of newly born strange quark stars (SQSs) and neutron stars (NSs) are studied. It is found that the eigenfrequencies in SQSs are much lower than those in NSs by almost one order of magnitude, since the components of a SQS are all extremely relativistic particles while nucleons in a NS are non-relativistic. We therefore propose that newly born SQSs can be distinguished from the NSs by detecting the eigenfrequencies of the g-mode pulsations of supernovae cores through gravitational radiation by LIGO-class detectors.
Fu Wei-jie
Liu Yu-Xin
Wei Hai-qing
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