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Quasi-normal modes of rotating relativistic stars - neutral modes for realistic equations of state
Sharon M. Morsink, Nikolaos Stergioulas, Steve R. Blattnig
We compute zero-frequency (neutral) quasi-normal f-modes of fully relativistic and rapidly rotating neutron stars, using several realistic equations of state (EOSs) for neutron sta…
On the relevance of the r-mode instability for accreting neutron stars and white dwarfs
Nils Andersson, Kostas D. Kokkotas, Nikolaos Stergioulas
We present a case study for the relevance of the r-mode instability for accreting compact stars. Our estimates are based on approximations that facilitate back-of-the-envelope calc…
Analytic description of the r-mode instability in uniform density stars
K. D. Kokkotas, N. Stergioulas
We present an analytic description of the -mode instability in newly-born neutron stars, using the approximation of uniform density. Our computation is consistently accurate to…
Rotating Stars in Relativity
Nikolaos Stergioulas
Rotating relativistic stars are receiving significant attention in recent years, because of the information they can yield about the equation of state of matter at extremely high d…
Construction of Highly Accurate Models of Rotating Neutron Stars - Comparison of Three Different Numerical Schemes
Tetsuo Nozawa, Nikolaos Stergioulas, Eric Gourgoulhon +1
We conduct a direct comparison of three different representative numerical codes for constructing models of rapidly rotating neutron stars in general relativity. Our aim is to eval…