Neutron star mergers: Probing the eos of hot, dense matter by gravitational waves

  • Gravitational waves, electromagnetic radiation, and the emission of high energy particles probe the phase structure of the equation of state of dense matter produced at the crossroad of the closely related relativistic collisions of heavy ions and of binary neutron stars mergers. 3 + 1 dimensional special- and general relativistic hydrodynamic simulation studies reveal a unique window of opportunity to observe phase transitions in compressed baryon matter by laboratory based experiments and by astrophysical multimessenger observations. The astrophysical consequences of a hadron-quark phase transition in the interior of a compact star will be focused within this article. Especially with a future detection of the post-merger gravitational wave emission emanated from a binary neutron star merger event, it would be possible to explore the phase structure of quantum chromodynamics. The astrophysical observables of a hadron-quark phase transition in a single compact star system and binary hybrid star merger scenario will be summarized within this article. The FAIR facility at GSI Helmholtzzentrum allows one to study the universe in the laboratory, and several astrophysical signatures of the quark-gluon plasma have been found in relativistic collisions of heavy ions and will be explored in future experiments.

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Author:Matthias HanauskeGND, Jan Steinheimer-FroschauerORCiDGND, Anton Motornenko, Volodymyr VovchenkoORCiDGND, Luke Bovard, Elias Roland Most, Ludwig Jens Papenfort, Stefan SchrammGND, Horst StöckerORCiDGND
URN:urn:nbn:de:hebis:30:3-525795
DOI:https://doi.org/10.3390/particles2010004
ISSN:2571-712X
Parent Title (English):Particles
Publisher:MDPI AG
Place of publication:Basel
Document Type:Article
Language:English
Year of Completion:2019
Date of first Publication:2019/01/02
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2019/12/30
Tag:QCD phase diagram; binary neutron star mergers; gravitational waves; heavy-ion collisions
Volume:2
Issue:1
Page Number:13
First Page:44
Last Page:56
Note:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
HeBIS-PPN:459854631
Institutes:Physik / Physik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0