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Related papers: Gravitational-wave Signature of a First-order Quan…

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We present predictions for the gravitational-wave (GW) emission of three-dimensional supernova (SN) simulations performed for a 15 solar-mass progenitor with the Prometheus-Vertex code using energy-dependent, three-flavor neutrino…

High Energy Astrophysical Phenomena · Physics 2019-05-14 H. Andresen , E. Müller , H. -Th. Janka , A. Summa , K. Gill , M. Zanolin

We present self-consistent three-dimensional core-collapse supernova simulations of a rotating $20M_\odot$ progenitor model with various initial angular velocities from $0.0$ to $4.0$ rad s$^{-1}$ using a smoothed particle hydrodynamics…

High Energy Astrophysical Phenomena · Physics 2023-11-01 He-Feng Hsieh , Rubén Cabezón , Li-Ting Ma , Kuo-Chuan Pan

We present a novel multi-messenger approach for probing nonstandard neutrino properties through the detection of gravitational waves (GWs) from collapsing stellar cores and associated supernova explosions. We show that neutrino flavor…

High Energy Astrophysical Phenomena · Physics 2026-01-16 Jakob Ehring , Sajad Abbar , H. -Thomas Janka , Georg Raffelt , Ko Nakamura , Kei Kotake

We present detailed results from performing general relativistic (GR) simulations of stellar core collapse to a proto-neutron star, using a microphysical equation of state (EoS) as well as an approximate description of deleptonization…

We perform numerical simulations of gravitational waves (GWs) induced by hydrodynamic and hydromagnetic turbulent sources that might have been present at cosmological quantum chromodynamic (QCD) phase transitions. For turbulent energies of…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-17 Axel Brandenburg , Emma Clarke , Yutong He , Tina Kahniashvili

We present an analysis of the circular polarization of gravitational-waves (GWs) using results from three-dimensional (3D), general relativistic (GR) core-collapse simulations of a non-rotating $15 M_{\odot}$ star. For the signal detection,…

High Energy Astrophysical Phenomena · Physics 2018-05-16 Kazuhiro Hayama , Takami Kuroda , Kei Kotake , Tomoya Takiwaki

We identify an observable imprint of a first-order hadron-quark phase transition at supranuclear densities on the gravitational-wave (GW) emission of neutron star mergers. Specifically, we show that the dominant postmerger GW frequency…

High Energy Astrophysical Phenomena · Physics 2019-02-20 Andreas Bauswein , Niels-Uwe F. Bastian , David B. Blaschke , Katerina Chatziioannou , James A. Clark , Tobias Fischer , Micaela Oertel

A line of first-order phase transitions is conjectured in the phase diagram of Quantum Chromodynamics at non-zero baryon density. If this is the case, numerical simulations of neutron star mergers suggest that various regions of the stars…

High Energy Physics - Theory · Physics 2024-12-13 Yago Bea , Mauro Giliberti , David Mateos , Mikel Sanchez-Garitaonandia , Alexandre Serantes , Miguel Zilhão

Recent observations from several pulsar timing array (PTA) collaborations have unveiled compelling evidence for a stochastic signal in the nanohertz band. This signal aligns remarkably with a gravitational wave (GW) background, potentially…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-27 Zu-Cheng Chen , Shou-Long Li , Puxun Wu , Hongwei Yu

The gravitational collapse of rapidly rotating massive stars can lead to the onset of the low $T/\|W\|$ instability within the central proto-neutron star (PNS), which leaves strong signatures in both the gravitational wave (GW) and neutrino…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Matteo Bugli , Jérôme Guilet , Thierry Foglizzo , Martin Obergaulinger

We investigate the gravitation waves produced from QCD and electroweak phase transitions in the early universe by using a 5-dimension holographic QCD model and a holographic technicolor model. The dynamical holographic QCD model is to…

High Energy Physics - Phenomenology · Physics 2018-06-06 Yidian Chen , Mei Huang , Qi-Shu Yan

We conducted three-dimensional lattice simulations to study the density perturbation and gravitational waves (GWs) during first-order phase transition (FOPT). We find that for phase transition strength $\alpha > 1$, the forward motion of…

High Energy Physics - Phenomenology · Physics 2026-04-13 Jintao Zou , Zhiqing Zhu , Zizhuo Zhao , Ligong Bian

Predictions of the thermodynamic conditions for phase transitions at high baryon densities and large chemical potentials are currently uncertain and largely phenomenological. Neutrino observations of core-collapse supernovae can be used to…

We investigate the gravitational wave emission for 10 supernova progenitors from magnetorotational core-collapse to the supernova explosion using fully three-dimensional dynamical-spacetime general-relativistic magnetohydrodynamics…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Sophia C. Schnauck , Swapnil Shankar , Philipp Mösta , Roland Haas , Erik Schnetter

The standard model of particle physics is known to be intriguingly successful. However their rich phenomena represented by the phase transitions (PTs) have not been completely understood yet, including the possibility of the existence of…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-07 Katsuya T. Abe , Yuichiro Tada , Ikumi Ueda

In the present thesis, the author reviews the physics of cosmological first-order phase transitions that may have occured shortly after the Big Bang. Such transitions proceed via the nucleation and expansion of true vacuum bubbles and give…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-16 Moritz Breitbach

We present results from detailed general relativistic simulations of stellar core collapse to a proto-neutron star, using two different microphysical nonzero-temperature nuclear equations of state as well as an approximate description of…

Astrophysics · Physics 2009-02-06 Harald Dimmelmeier , Christian D. Ott , Andreas Marek , Hans-Thomas Janka

In this paper, we discuss the holographic first order QCD phase transition with gluon condensate and the generation of gravitational waves (GWs) from the phase transition. The first order QCD phase transition is dual to the first order…

High Energy Physics - Phenomenology · Physics 2024-01-17 Zhou-Run Zhu , Jun Chen , Defu Hou

We report on the first 3-dimensional numerical simulations of first-order phase transitions in the early universe to include the cosmic fluid as well as the scalar field order parameter. We calculate the gravitational wave (GW) spectrum…

High Energy Physics - Phenomenology · Physics 2014-01-30 Mark Hindmarsh , Stephan J. Huber , Kari Rummukainen , David J. Weir

The underlying physics of QCD phase transition in the early Universe remains largely unknown due to its strong-coupling nature during the quark-gluon plasma/hadron gas transition, yet a holographic model has been proposed to quantitatively…

High Energy Physics - Phenomenology · Physics 2024-10-30 Song He , Li Li , Sai Wang , Shao-Jiang Wang