SubsidieMeestersFrom Subatomic to Cosmic Scales: Simulating, Modelling, Analysing Binary Neutron Star Mergers
The project aims to develop theoretical models for binary neutron star mergers to enhance the accuracy of multi-messenger observations, enabling insights into matter at supranuclear densities and the expansion rate of the Universe.
Projectdetails
Introduction
What is the nature of matter at supranuclear densities? What is the expansion rate of our Universe? These open questions of nuclear physics and cosmology can be answered with multi-messenger observation of merging binary neutron stars.
Recent Developments
The window to study these fascinating events has only recently been opened with the upgrades of gravitational-wave observatories and by combining gravitational-wave information with that of powerful telescopes in the electromagnetic spectrum - from infrared, to optical, to gamma-rays. In the near future, we expect numerous multi-messenger observations of compact binary systems.
Importance of Theoretical Models
We are currently at a crossroads in which the development of accurate and robust theoretical models is crucial to keeping up with the development of experimental instrumentation. Without noticeable upgrades of our models, future analyses will be biased through modelling uncertainties.
Research Focus
The proposed research project will focus on the development of theoretical models to interpret the binary neutron star coalescence and will pave the way for a thorough understanding of the merger process.
Methodology
Novel methods and algorithms that we will implement in our numerical-relativity code will allow us to study previously inaccessible regions of the binary neutron star parameter space with unprecedented accuracy.
Significance of Accuracy
This accuracy in the determination of the gravitational-wave and electromagnetic emission from binary neutron star mergers is essential for connecting our theoretical computations with observational data.
Framework Development
We will push for a publicly available framework for the simultaneous analysis of gravitational-wave and electromagnetic signals from binary neutron star mergers, incorporating also nuclear-physics calculations, nuclear-physics experiments, and other astrophysical observations of isolated neutron stars.
Future Applications
This framework will enable us to use upcoming detections to determine the neutron star radius and the Hubble constant.
Financiële details & Tijdlijn
Financiële details
| Subsidiebedrag | € 1.499.762 |
| Totale projectbegroting | € 1.499.762 |
Tijdlijn
| Startdatum | 1-9-2023 |
| Einddatum | 31-8-2028 |
| Subsidiejaar | 2023 |
Partners & Locaties
Projectpartners
- UNIVERSITAET POTSDAMpenvoerder
Land(en)
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