Physics
Scientific paper
Oct 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvd..48.3467l&link_type=abstract
Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 48, Issue 8, 15 October 1993, pp.3467-3472
Physics
43
Neutron Stars, Hydrodynamics, Relativity And Gravitation
Scientific paper
We study small, nonradial oscillations of neutron stars in a general relativistic perturbation treatment, considering different values for the central density of the star. We adapt two techniques used previously for the determination of quasinormal modes of black holes, allowing us for the first time to determine without approximation solutions which satisfy purely outgoing boundary conditions at spatial infinity. We confirm the existence of strongly damped complex normal modes found by Kokkotas and Schutz (w modes). In addition, we identify a new branch of strongly damped modes (wII modes). Our new modes are much more similar to quasinormal modes of black holes than the w modes known before.
Leins M.
Nollert Hans-Peter
Soffel Michael H.
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