g -mode oscillations in hybrid stars: A tale of two sounds

@inproceedings{Jaikumar2021gO,
  title={g
-mode oscillations in hybrid stars: A tale of two sounds},
  author={Prashanth Jaikumar and Alexandra Semposki and Madappa Prakash and Constantinos Constantinou},
  year={2021}
}
We study the principal core g-mode oscillation in hybrid stars containing quark matter and find that they have an unusually large frequency range (≈ 200 600 Hz) compared to ordinary neutron stars or self-bound quark stars of the same mass. Theoretical arguments and numerical calculations that trace this effect to the difference in the behaviour of the equilibrium and adiabatic sound speeds in the mixed phase of quarks and nucleons are provided. We propose that the sensitivity of core g-mode… Expand

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