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Simulating Binary Neutron Star Mergers

In: High Performance Computing in Science and Engineering '22

Author

Listed:
  • Tim Dietrich

    (University of Potsdam, Institute for Physics and Astronomy
    Max Planck Institute for Gravitational Physics Potsdam)

  • Parikshit Biswas

    (University of Potsdam, Institute for Physics and Astronomy)

  • Bernd Brügmann

    (University of Jena, Theoretical Physics Institute)

  • Swami Vivekanandji Chaurasia

    (Stockholm University, The Oskar Klein Centre)

  • Mattia Emma

    (University of Potsdam, Institute for Physics and Astronomy)

  • Francesco Maria Fabbri

    (University of Jena, Theoretical Physics Institute)

  • Henrique Leonhard Gieg

    (Universidade Federal do ABC, Centro de Ciências Naturais e Humanas)

  • Maximilian Kölsch

    (University of Jena, Theoretical Physics Institute)

  • Nina Kunert

    (University of Potsdam, Institute for Physics and Astronomy)

  • Michele Mattei

    (University of Potsdam, Institute for Physics and Astronomy)

  • Anna Neuweiler

    (University of Potsdam, Institute for Physics and Astronomy)

  • Henrik Rose

    (University of Potsdam, Institute for Physics and Astronomy)

  • Peter Tsun Ho Pang

    (Nikhef
    Utrecht University, Institute for Gravitational and Subatomic Physics (GRASP))

  • Federico Schianchi

    (University of Potsdam, Institute for Physics and Astronomy)

  • Maximiliano Ujevic Tonino

    (Universidade Federal do ABC, Centro de Ciências Naturais e Humanas)

Abstract

In 2017, the first joint detection of gravitational waves and electromagnetic waves, produced from the merger of a binary neutron star system, inaugurated a new era of multi-messenger astronomy. Due to the strong gravitational fields present in the last stages of the compact binary coalescence, one has to solve Einstein’s field equations for a comprehensive study. For this reason, numerical-relativity simulations are an essential tool to correctly describe and study these compact binary mergers. High-performance computing facilities such as HAWK enable us to perform accurate simulations of binary systems by employing our numerical-relativity code BAM. BAM solves the equations of general relativity together with the equations of general-relativistic hydrodynamics. Within our research project, we use numerical-relativity simulations of binary systems to investigate matter at supranuclear densities, to measure the expansion rate of our Universe, and to calibrate theoretical models for the emitted gravitational and electromagnetic waves.

Suggested Citation

  • Tim Dietrich & Parikshit Biswas & Bernd Brügmann & Swami Vivekanandji Chaurasia & Mattia Emma & Francesco Maria Fabbri & Henrique Leonhard Gieg & Maximilian Kölsch & Nina Kunert & Michele Mattei & Ann, 2024. "Simulating Binary Neutron Star Mergers," Springer Books, in: Wolfgang E. Nagel & Dietmar H. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '22, pages 5-18, Springer.
    • Handle: RePEc:spr:sprchp:978-3-031-46870-4_1
    DOI: 10.1007/978-3-031-46870-4_1
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