BEGIN:VCALENDAR VERSION:2.0 PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN BEGIN:VEVENT SUMMARY:Modeling the strongfield dynamics of binary neutron star merger s DTSTART:20240912T143000Z DTEND:20240912T160000Z DTSTAMP:20260802T100029Z UID:c1d7c055-5aa6-4719-a364-930c9bdd6247 SEQUENCE:3 CREATED:20240911T182354Z DESCRIPTION:Binary neutron star mergers (BNSM) are associated to powerful gravitational and electromagnetic astronomical transients. Multimessenger observations of BNSMs promise to deliver unprecedented insights on fundame ntal physics questions\, including constraints on dense matter models and the production of heavy elements. Detailed theoretical predictions of the merger dynamics are a crucial aspect for extracting information from such observations. This talk reviews recent progress in the modeling of BNSMs u sing simulations in 3+1 numerical general relativity. In the first part\, I will discuss the first predictions for the complete (inspiral-merger-pos tmerger) gravitational-wave spectrum and their application in gravitationa l-wave astronomy. In the second part\, I will discuss recent results on me rger remnants and mass ejecta\, the mechanisms behind kilonova light and t heir application to the analyses of astrophysical data. LAST-MODIFIED:20240911T182635Z LOCATION:Physics Seminar Room - Physics Building - 2nd floor (2-8.3) URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/modeling-the-strongfield-d ynamics-of-binary-neutron-star-mergers/ X-ALT-DESC;FMTTYPE=text/html:

Binary neutron star mergers (BNSM) are associated to powerful gravitational and electromagnet ic astronomical transients. Multimessenger observations of BNSMs promise t o deliver unprecedented insights on fundamental physics questions\, includ ing constraints on dense matter models and the production of heavy element s.

Detailed theoretical predictions of the merger dynamics are a crucial aspect for extracting information from such observations. This ta lk reviews recent progress in the modeling of BNSMs using simulations in 3 +1 numerical general relativity.

In the first part\, I will disc uss the first predictions for the complete (inspiral-merger-postmerger) gr avitational-wave spectrum and their application in gravitational-wave astr onomy. In the second part\, I will discuss recent results on merger remnan ts and mass ejecta\, the mechanisms behind kilonova light and their applic ation to the analyses of astrophysical data.

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