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Gravitational waves from neutron stars: Promises and challenges
N. Andersson, V. Ferrari, D. I. Jones +5
We discuss different ways that neutron stars can generate gravitational waves, describe recent improvements in modelling the relevant scenarios in the context of improving detector…
Oscillations and instabilities of fast and differentially rotating relativistic stars
Christian Krüger, Erich Gaertig, Kostas D. Kokkotas
We study non-axisymmetric oscillations of rapidly and differentially rotating relativistic stars in the Cowling approximation. Our equilibrium models are sequences of relativistic…
Relativistic g-modes in rapidly rotating neutron stars
Erich Gaertig, Kostas D. Kokkotas
We study the g-modes of fast rotating stratified neutron stars in the general relativistic Cowling approximation, where we neglect metric perturbations and where the background mod…
Alfvén Polar Oscillations of Relativistic Stars
H. Sotani, K. D. Kokkotas
We study polar Alfvén oscillations of relativistic stars endowed with a strong global poloidal dipole magnetic field. Here we focus only on the axisymmetric oscillations which are…
On the Quasi-Periodic Oscillations of Magnetars
A. Colaiuda, H. Beyer, K. D. Kokkotas
We study torsional Alfvén oscillations of magnetars, i.e., neutron stars with a strong magnetic field. We consider the poloidal and toroidal components of the magnetic field and a…