Shedding Some New Lights upon the Stellar Quasi-Normal Modes

Details Shedding Some New Lights upon the Stellar Quasi-Normal Modes Shedding Some New Lights upon the Stellar Quasi-Normal Modes

2006-12-29

arxiv.org/abs/gr-qc/0612183v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

30 pages, figures included

Scientific paper

In the current paper we present some new data on the issue of quasi-normal modes (QNMs) of uniform, neutron and quark stars. These questions have already been addressed in the literature before, but we have found some interesting features that have not been discussed so far. We have increased the range of frequency values for the scalar and axial perturbations of such stars and made a comparison between such QNMs and those of the very well-known Schwarzschild black holes. Also addressed in this work was the interesting feature of competing modes, which appear not only for uniform stars, but for quark stars as well.

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