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Showing 1–8 of 8 results
Advanced filters: Author: Hartmut Lemmel Clear advanced filters

  • One of the paradoxical phenomena of quantum mechanics is the quantum Cheshire Cat, consisting of the apparent spatial separation of a particle and one of its properties. Denkmayr et al.use neutron interferometry to prepare and evaluate the Cheshire Cat state of a neutron and its magnetic moment.

    • Tobias Denkmayr
    • Hermann Geppert
    • Yuji Hasegawa
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-7

  • Spectroscopic techniques are mostly used to study the interaction between matter and electromagnetic fields. Here, an experiment that probes the transitions between quantum states of neutrons in the Earth’s gravitational field demonstrates an exotic variant of spectroscopy, and one that might lead to sensitive fundamental tests of gravity laws.

    • Tobias Jenke
    • Peter Geltenbort
    • Hartmut Abele
    Research
    Nature Physics
    Volume: 7, P: 468-472

  • The Cheshire Cat phenomenon in quantum mechanics refers to a captivating observation where a particle and its properties behave as if they were separated. Here, the authors show the possibility of observing the Cheshire Cat phenomenon via interferometric neutron experiments in agreement with a weak measurement theoretical approach.

    • Armin Danner
    • Niels Geerits
    • Yuji Hasegawa
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-13

  • Orbital angular momentum in thermal neutrons holds many promises for quantum information and neutron scattering, however the production thereof remains challenging. The authors detail a coherent averaging method, which can generate neutron vortices smaller than previously possible and can be applied to anisotropic ultra small angle scattering.

    • Niels Geerits
    • Hartmut Lemmel
    • Stephan Sponar
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-9