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High-Precision Gravitational Wave Physics from a Worldline Quantum Field Theory

This project will determine the gravitational waves emitted in the encounter of two black holes or neutron stars in our universe at highest-precision. The gravitational waves emerging from such violent mergers are now routinely de... ver más

30/09/2028

UBER

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

HUMBOLDTUNIVERSITAET ZU BERLIN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-10-01

ERC-2022-ADG: ERC ADVANCED GRANTS Scope:Objectives

I+D

Cerrada hace 2 años

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Duración del proyecto: 59 meses Fecha Inicio: 2023-10-01
Fecha Fin: 2028-09-30

Líder del proyecto

HUMBOLDTUNIVERSITAET ZU BERLIN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto This project will determine the gravitational waves emitted in the encounter of two black holes or neutron stars in our universe at highest-precision. The gravitational waves emerging from such violent mergers are now routinely detected at the LIGO-Virgo-KAGRA observatories since their discovery in 2016. With the presently planed third generation of observatories the experimental accuracy will dramatically increase. Theoretical predictions for the emitted waveforms at highest-precision are therefore needed in order to determine the source parameters, such as masses, spins and intrinsic parameters of the two compact objects. Obtaining these waveforms requires solving the extremely difficult field equations of Einstein’s gravity. Major obstacles are the inclusion of radiative and spin effects at high-precision, as well as access to the strong gravity regime. Together with my research group, I have recently devised a novel quantum formalism to attack this classical physics scenario – worldline quantum field theory – that is methodologically rooted in elementary particle physics. It is the leading formalism to compute observables in the gravitational scattering of spinning black holes and neutron stars. My goal is to extend the scope of worldline quantum field theory to include radiative, higher spin and tidal effects, that discriminate between black holes and neutron stars. Moreover, I will uncover a hidden supersymmetry in the scattering of two spinning black holes. Finally, by matching to curved space-times I will develop theoretical tools that apply to strong gravitational fields as they arise close to the merger. These are presently unreachable by analytical methods. Our results will set the basis to test Einstein’s theory of gravity in extreme regions, possibly uncovering deviations from known physics; to understand black-hole formation; and to uncover the nature of neutron stars.

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