We are fascinated by and working on ...

Universal matter-wave interferometry & the foundations of physics
- Towards metal cluster interferometry:
  a new material class in quantum physics to probe the interface to the classical world.
- From Polypeptide towards Protein interferometry:
  a new material class to study complexity & dynamics of biomolecules in quantum physics.
Cooling and quantum optomechanics
- Optical cooling of non-spherical nanoparticles to explore their rotational quantum states.
- Trapping & cooling of nanobiological matter to harvest their internal complexity.
Enabling technologies for quantum experiments
- Sources of metal clusters, dielectric and biological nanomaterials: for matter-wave interferometry.
- Single-photon charge control and coherent beam splitting of proteins & metal clusters.
- Interfeormeter concepts for complex nanomatter.
Quantum sensors
- Matter-wave deflectometers with high better than yocto-Newton force sensitivity:
  ... to measure electro-magnetic, optical & dynamical properties of molecules of interst to biology and chemistry.
- Trapped nanorotors:
  ... to realize highly sensitive torque & rotations sensors on the micron scale.
- Superconducting nanowire detectors:
  ... for mass spectrometry and molecule analysis, harvesting the sensitivity of quantum phase transitions.

Latest News

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26.03.2018

Paper: New J. Phys.

The Arndt Group published a new article on "Isotope-selective high-order interferometry with large organic molecules in free fall" in New Journal of...

23.03.2018

Paper: Phys. Chem. Chem. Phys.

The Arndt Group published a new article on "Tailored photocleavable peptides: fragmentation and neutralization pathways in high vacuum" in Physical...