Matter-wave interferometer for large molecules.

  title={Matter-wave interferometer for large molecules.},
  author={Bj{\"o}rn Brezger and Lucia Hackerm{\"u}ller and Stefan Uttenthaler and Julia Petschinka and Markus Arndt and Anton Zeilinger},
  journal={Physical review letters},
  volume={88 10},
We demonstrate a near-field Talbot-Lau interferometer for C70 fullerene molecules. Such interferometers are particularly suitable for larger masses. Using three free-standing gold gratings of 1 microm period and a transversally incoherent but velocity-selected molecular beam, we achieve an interference fringe visibility of 40% with high count rate. Both the high visibility and its velocity dependence are in good agreement with a quantum simulation that takes into account the van der Waals… CONTINUE READING
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