Göttingen 2012 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 16: Grundlegende Probleme

GR 16.1: Vortrag

Donnerstag, 1. März 2012, 18:45–19:05, ZHG 002

On supplementary conditions in general relativistic multipolar approximation schemes — •Dirk Puetzfeld — ZARM, Universitaet Bremen

Multipolar approximation techniques play an important role in the description of the motion of extended bodies in General Relativity. All currently known approximation schemes require the specification of a so-called ``supplementary condition'' beyond the lowest multipolar order. In this talk we review the most common supplementary conditions. In particular, we focus on their interpretation in the context of different multipolar approximation schemes, as well as the conceptual problems which arise with their introduction.