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- W4288445691 abstract "We present a systematic study of $f$-mode oscillations in neutron stars containing hyperons, extending recent results obtained within the Cowling approximation to linearized general relativity. Employing a relativistic mean-field model, we find that the Cowling approximation can overestimate the quadrupolar $f$-mode frequency of neutron stars by up to 30% compared to the frequency obtained in the linearized general relativistic formalism. Imposing current astrophysical constraints, we derive updated empirical relations for gravitational wave asteroseismology. The frequency and damping time of quadrupole $f$-mode oscillations of hyperonic stars are found to be in the range of 1.47--2.45 kHz and 0.13--0.51 s, respectively. Our correlation studies demonstrate that among the various parameters of the nucleonic and hyperonic sectors of the model, the nucleon effective mass shows the strongest correlation with mode characteristics and neutron star observables. Estimates for the detectability of $f$ modes in a transient burst of gravitational waves from isolated hyperonic stars is also provided." @default.
- W4288445691 created "2022-07-29" @default.
- W4288445691 creator A5026518696 @default.
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- W4288445691 date "2022-07-28" @default.
- W4288445691 modified "2023-10-10" @default.
- W4288445691 title "General relativistic treatment of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mi>f</mml:mi></mml:math> -mode oscillations of hyperonic stars" @default.
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- W4288445691 doi "https://doi.org/10.1103/physrevc.106.015805" @default.
- W4288445691 hasPublicationYear "2022" @default.
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