ForschungTopical Groups
Tests of fundamental physics: Gravity

Tests of fundamental physics: Gravity

Design and realisation of tests of General Relativity, studying gravity at very short distances, relativistic effects in matter wave interferometers.


  • Sophisticated tests of Einsteins's theory of relativity, e.g. possible temporal variation of the gravitational constant, test of the weak and strong equivalence principle, Yukawa-test for the Earth-Moon distance, estimation of metric parameters gamma and alpha
  • Measuring gravity at short distances with micro-machined optomechanical force sensors
  • Relativistic effects in matter wave interferometers, quantum tests of the equivalence principle, dark energy search in the Einstein Elevator
  • Clock tests in gravitational fields


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Schubert C, Schlippert D, Abend S, Giese E, Roura A, Schleich WP et al. Scalable, symmetric atom interferometer for infrasound gravitational wave detection. 2019.

Involved QF Members
Members Institution Relevant Expertise
Eva Hackmann, LeaderZARMTests of GR and of alternative/modified theories of gravity
Claus LämmerzahlZARMQuantum Sensors in Free Fall; Relativistic Geodesy; Quantum Objects in Gravity
Florian SeemannZARMQuantum Sensors in Free Fall
Roy BarzelZARMQuantum Objects in Gravity
Jürgen MüllerLUHRelativistic Geodesy; LLR Relativity Test; Application of Quantum Gravimetry
Liliane BiskupekLUHLLR Relativity Test
Ernst M. RaselLUHQuantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors
Uwe BrandPTBExperimental investigation of the Gravitational 1/r2 Law at separations down to sub-µm
Gerhard HeinzelAEIExperimental investigation of the Gravitational 1/r2 Law at separations down to sub-µm
Christian PfeiferZARMGeneral relativity, Quantum Gravity Phenomenology
Sven HerrmannZARMmicrogravity experiments
Christian VogtZARMmicrogravity experiments