Marcel Mudrich


WG4 Leader

Marcel Mudrich:
Categories: Leadership, WG4

I am an experimental physicist specialized in ultrafast XUV spectroscopy of gasphase clusters and nanoparticles, in particular helium nanodroplets. I am using synchrotron light sources (ASTRID2 in Aarhus, Elettra in Trieste), free-electron lasers (FLASH and XFEL, Hamburg and FERMI, Trieste), and HHG sources (ELI Beamlines, Prague).
After my doctorate in Heidelberg, I was postdoc in Orsay near Paris, moved on to Bielefeld and Freiburg, Germany, and finally ended up in Aarhus, Denmark. There I have been associate professor at the Department of Physics and Astronomy since January 2017. Along this way, I have worked on a broad range of topics, from ultra-cold quantum gases, strongly interacting Rydberg atoms, cold molecules, molecular beams spectroscopy with nanosecond and femtosecond lasers, to doped helium nanodroplets and nanoplasmas.
Currently, my focus is on photoionization dynamics of molecules and nanoclusters in the gasphase; in particular I am trying to unravel ultrafast relaxation mechanisms such as charge and energy transfer, Interatomic Coulombic Decay (ICD), nanoplasma ignition, and one-photon double ionization of clusters and biomolecules. I am closely collaborating with researchers from Germany, France, Czech Rep., Austria, Spain, Italy, US and India.

Systems of interest: Helium nanodroplets, pure and doped with metals, salts, water, biomolecules and complexes thereof. Pure and doped water clusters.

More details can be found at  and Cluster-Dynamics-Group (

Publications: ‪Marcel Mudrich – ‪Google Scholar

Selected publications:

  1. “Ultrafast resonant interatomic Coulombic decay induced by quantum fluid dynamics” A. C. LaForge et al., and M. Mudrich, Phys. Rev. X 11, 021011 (2021)
  2. “Ultrafast relaxation of photoexcited superfluid He nanodroplets”. M. Mudrich, A. C. LaForge, A. Ciavardini, P. O’Keeffe, C. Callegari, M. Coreno, et al., Nat. Commun. 11, 112 (2020),
  3. “Highly efficient double ionization of mixed alkali dimers by intermolecular Coulombic decay”. A. C. LaForge, M. Shcherbinin, F. Stienkemeier, R. Richter, R. Moshammer, T. Pfeifer, and M. Mudrich, Nat. Phys. 15, 247–250 (2019),
  4. “Photoionization of Pure and Doped Helium Nanodroplets”, M. Mudrich and F. Stienkemeier, Int. Rev. Phys. Chem. 33, 301 (2014)
  5. “Sympathetic cooling with two atomic species in an optical trap”, M. Mudrich, S. Kraft, K. Singer, R. Grimm, A. Mosk, M. Weidemüller, Phys. Rev. Lett. 88, 253001 (2002)

Within CA21101 – CONFINED MOLECULAR SYSTEMS: FROM A NEW GENERATION OF MATERIALS TO THE STARS (COSY) he holds the position of Working Group leader of WG4: Helium Nanodroplets in Science and Engineering.

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