Heidelberg 2022 – scientific programme

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GR: Fachverband Gravitation und Relativitätstheorie

GR 13: Numerical Relativity

GR 13.5: Talk

Thursday, March 24, 2022, 15:20–15:40, GR-H2

A new approach to helical Killing vectors — •Hannes Rüter — Potsdam, Germany

Helical Killing Vectors are an important ingredient for the description of binary systems in quasi-equilibrium, which makes them one of the central quantities in the construction of numerical-relativity initial data of compact binaries. Current approaches to helical Killing vectors and their generalisations to eccentric orbits are defined in a foliation-dependent manner. In this presentation I will a discuss a new approach that attempts to break this foliation dependence.