Matter-wave interferometry from electrons to nanoparticles - recent ideas and applications

  • MP Department Seminar
  • Date: Mar 28, 2025
  • Time: 09:30 AM - 10:30 AM (Local Time Germany)
  • Speaker: Prof. Stefan Nimmrichter
  • Theoretical Quantum Optics Group, Universität Siegen, Germany
  • Location: Building K, Haber-Villa, Faradayweg 8, 14195 Berlin
  • Room: Seminar Room
  • Host: Department of Molecular Physics
Matter-wave interferometry from electrons to nanoparticles - recent ideas and applications
Modern matter-wave experiments cover a broad mass range from single electrons to molecules consisting of hundreds of atoms. Levitated optomechanics promises to be-come a platform for matter waves of nanoparticles weighing a billion atomic mass units. Across this range, matter waves are being used and considered for precision metrology and tests of fundamental physics at the quantum-classical boundary. I will present three recently developed use cases: (1) harnessing the high interferometric phase sensitivity in state-of-the-art electron microscopes for magnetic spin sensing and resonance imaging with electron beams; (2) probing possible deviations from Newtonian gravity with atom interferometry; (3) diffracting a massive nanoparticle at its own crystal lattice with help of Bragg-scattered electrons.
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