Bonn 2020 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 6: Poster

GR 6.4: Poster

Dienstag, 31. März 2020, 17:00–18:30, Zelt

Best Test of the Weak Equivalence Principle with the Space Mission MICROSCOPEMeike List1, Benny Rievers2, and •Claus Lämmerzahl21DLR Institute for Satellite Geodesy and Inertial Sensing, Bremen, Germany — 2ZARM, University of Bremen, Bremen, Germany

The Weak Equivalence Principle (or Universality of Free Fall) is the basis of General Relativity and determines our understanding of space and time. Even for this reason alone, this principle must be tested as precisely as possible. In addition, a theory of quantum gravity is being sought, which is necessary because of an apparent incompatibility between General Relativity and quantum mechanics. Although there is still no fully worked out quantum gravity theory, all the approaches predict a tiny violation of the equivalence principle. Tests of the Weak Equivalence Principle are therefore key tests in the search for quantum gravity, but they are also of importance for practical purposes like geodesy. Recently, the satellite experiment MICROSCOPE carried out the best test so far.

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