“Precision Measurements in Ion Coulomb Crystals - of Atomic Clocks and Symmetries of Nature”

Single trapped and laser-cooled ions in Paul traps allow for a high degree of control of atomic quantum systems. They are the basis for modern atomic clocks, quantum computers and quantum simulators. Our research aims to use ion Coulomb crystals, i.e. many-body systems with complex dynamics, for precision spectroscopy. This paves the way to novel optical frequency standards for applications such as relativistic geodesy and quantum simulators in which complex dynamics becomes accessible with atomic resolution.

The self-organized Coulomb crystals open up a fascinating insight into the physics of atomic friction and phase transitions. The implementation of quantum correlations enables spectroscopic tests of fundamental theories of physics.

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