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Breakdown of I-Love-Q universality in rapidly rotating relativistic stars
Daniela D. Doneva, Stoytcho S. Yazadjiev, Nikolaos Stergioulas +1
It was shown recently, that normalized relations between the moment of inertia (I), the quadrupole moment (Q) and the tidal deformability (Love number) exist and for slowly-rotatin…
Rapidly rotating neutron stars in scalar-tensor theories of gravity
Daniela D. Doneva, Stoytcho S. Yazadjiev, Nikolaos Stergioulas +1
We present the field equations governing the equilibrium of rapidly rotating neutron stars in scalar-tensor theories of gravity, as well as representative numerical solutions. The…
Imprints of superfluidity on magneto-elastic QPOs of SGRs
Michael Gabler, Pablo Cerdá-Durán, Nikolaos Stergioulas +2
Our numerical simulations show that axisymmetric, torsional, magneto-elastic oscillations of magnetars with a superfluid core can explain the whole range of observed quasi-periodic…