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Consistent perturbative modeling of pseudo-Newtonian core-collapse supernova simulations

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arxiv 2002.04468 v3 pith:DBAM55NU submitted 2020-02-11 astro-ph.HE

John Ryan Westernacher-Schneider This is my paper · ORCID
classification astro-ph.HE
keywords pseudo-newtonianmodesimulationsconsistentcore-collapselessmatchingnewtonian
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We write down and apply the linearized fluid and gravitational equations consistent with pseudo-Newtonian simulations, whereby Newtonian hydrodynamics is used with a pseudo-Newtonian monopole and standard Newtonian gravity for higher multipoles. We thereby eliminate the need to use mode function matching to identify the active non-radial modes in pseudo-Newtonian core-collapse supernova simulations, in favor of the less complex and less costly mode frequency matching method. In doing so, we are able to measure appropriate boundary conditions for a mode calculation.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On the nature of oscillating modes of proto-neutron stars

    gr-qc 2026-08 conditional novelty 7.0 of 10

    A new energy-based classifier separates proto-neutron star oscillation modes into four families and identifies the dominant high-frequency gravitational-wave feature as the PNS fundamental mode.

  2. The Gravitational-Wave Power Gap in Core-Collapse Supernovae: Insights from 60 Axisymmetric Simulations

    astro-ph.HE 2026-03 conditional novelty 6.0 of 10

    The gravitational-wave power-gap frequency in core-collapse supernova simulations correlates with inner protoneutron-star properties and may arise from Fano-type interference.

  3. Universal relations applied to proto-neutron star generated gravitational waves from three-dimensional core collapse supernova simulations

    gr-qc 2026-07 conditional novelty 5.0 of 10

    Against four Chimera core-collapse supernova simulations, most published universal relations for proto-neutron-star oscillations track the simulated gravitational-wave peak frequencies only during short post-bounce intervals.

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