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Showing 1–7 of 7 results
Advanced filters: Author: Stefan Nimmrichter Clear advanced filters

  • Observing superposition states of mesoscopic quantum systems is an ongoing challenge. Gerlichet al. report quantum interference of large tailor-made organic compounds, demonstrating delocalization and the quantum wave nature of entire molecules composed of up to 430 atoms.

    • Stefan Gerlich
    • Sandra Eibenberger
    • Markus Arndt
    ResearchOpen Access
    Nature Communications
    Volume: 2, P: 1-5

  • Testing the validity of the quantum superposition principle with increasingly large particles may shed light on the quantum to classical transition for macroscopic objects. Here, Bateman et al. propose a near-field interference scheme based on the single-source Talbot effect for 106 amu silicon particles.

    • James Bateman
    • Stefan Nimmrichter
    • Hendrik Ulbricht
    Research
    Nature Communications
    Volume: 5, P: 1-5

  • Laser cooling has been a successful technique to cool atoms and diatomic molecules to very low temperatures. Here, using an external cavity for an improved light coupling, Asenbaum et al.achieve the cooling of much larger objects, silicon nanoparticles, and reduce their transverse kinetic energy by up to a factor of 30.

    • Peter Asenbaum
    • Stefan Kuhn
    • Markus Arndt
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-7

  • A matter-wave interferometer is ‘universal’ if it can be applied to any atom or molecule irrespective of its internal state. This removes the need to prepare a spatially coherent incident beam. Such a system is now realized using three separate optical ionization gratings, and interference of molecular clusters with a de Broglie wavelength as small as 275 fm is demonstrated.

    • Philipp Haslinger
    • Nadine Dörre
    • Markus Arndt
    Research
    Nature Physics
    Volume: 9, P: 144-148

  • Matter-wave interference experiments demonstrate quantum superposition of molecules consisting of up to 2,000 atoms—the heaviest objects to show this quantum behaviour to date. This provides a bound on potential modifications to quantum mechanics.

    • Yaakov Y. Fein
    • Philipp Geyer
    • Markus Arndt
    Research
    Nature Physics
    Volume: 15, P: 1242-1245

  • Studying quantum heat machines would extend our fundamental understanding of thermodynamics. Here, the authors report on absorption refrigeration within three normal modes of motion of a three-ion chain, studying performances using either thermal or squeezed states, also in the single-shot regime.

    • Gleb Maslennikov
    • Shiqian Ding
    • Dzmitry Matsukevich
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8