Matches in SemOpenAlex for { <https://semopenalex.org/work/W4313304096> ?p ?o ?g. }
- W4313304096 abstract "We study the impact of rotation on the multimessenger signals of core-collapse supernovae (CCSNe) with the occurrence of a first-order hadron-quark phase transition (HQPT). We simulate CCSNe with the flash code starting from a $20text{ }text{ }{M}_{ensuremath{bigodot}}$ progenitor with different rotation rates, and using the RDF equation of state from Bastian 2021 that prescribes the HQPT. Rotation is found to delay the onset of the HQPT and the resulting dynamical collapse of the protocompact star (PCS) due to the centrifugal support. All models with the HQPT experience a second bounce shock which leads to a successful explosion. The oblate PCS as deformed by rotation gives rise to strong gravitational-wave (GW) emission around the second bounce with a peak amplitude larger by a factor of $ensuremath{sim}10$ than that around the first bounce. The breakout of the second bounce shock at the neutrinosphere produces a ${overline{ensuremath{nu}}}_{e}$-rich neutrino burst with a luminosity of serveral ${10}^{53}text{ }text{ }mathrm{erg}text{ }{mathrm{s}}^{ensuremath{-}1}$. In rapidly rotating models the PCS pulsation following the second bounce generates oscillations in the neutrino signal after the burst. In the fastest rotating model with the HQPT, a clear correlation is found between the oscillations in the GW and neutrino signals immediately after the second bounce. In addition, the HQPT-induced collapse leads to a jump in the ratio of rotational kinetic energy to gravitational energy ($ensuremath{beta}$) of the PCS, for which persistent GW emission may arise due to secular nonaxisymmetric instabilities." @default.
- W4313304096 created "2023-01-06" @default.
- W4313304096 creator A5011943627 @default.
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- W4313304096 date "2022-12-30" @default.
- W4313304096 modified "2023-10-09" @default.
- W4313304096 title "Impact of rotation on the multimessenger signatures of a hadron-quark phase transition in core-collapse supernovae" @default.
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- W4313304096 doi "https://doi.org/10.1103/physrevd.106.123037" @default.
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