Vol 15, No 6

R-mode instability of strange stars and observations of neutron stars in LMXBs

Chun-Mei Pi, Shu-hua Yang, Xiao-Ping Zheng


Abstract Using a realistic equation of state (EOS) of strange quark matter, namely, the modified bag model, and considering the constraints on the parameters of EOS by the observational mass limit of neutron stars, we investigate the r-mode instability window of strange stars, and find the same result as in the brief study of Haskell, Degenaar and Ho in 2012 that these instability windows are not consistent with the spin frequency and temperature observations of neutron stars in low mass X-ray binaries.


Keywords dense matter — stars: neutron — stars: oscillations

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