We are fascinated by ...

  • Universal matter-wave interferometry
    • 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.
    • 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 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:
      ... to open new avenues to mass spectrometry, molecule analysis by harvesting the sensitivity of quantum states.

 Latest News


The Arndt Group published a new article on "Quantum‐Assisted Metrology of Neutral Vitamins in the Gas Phase" in Angewandte Chemie!


The Arndt Group published a new article on "Tailoring the volatility and stability of oligopeptides" in Journal of Mass Spectrometry!


Der ORF berichtet über die Arbeit der Arndt-Gruppe und stellt Fragen über (mögliche) Grenzen der Quantenphysik!


... for receiving the EU Seal of Excellence!


We have a new paper on "Full rotational control of levitated silicon nanorods" in Optica!


Our project on Coherent Optics for Long-Baseline Molecule Interferometry has been granted by the FWF.