White-beam neutron device unlocks precise control of twisted quantum waves

Researchers at TU Wien have developed a new spin-echo neutron interferometer called CANISIUS, which allows for unprecedented precise control over neutron waves, including their spin and orbital angular momentum. This device exploits the wave properties of neutrons, similar to light, for advanced experiments. The findings are published in Review of Scientific Instruments.
Why it matters
This breakthrough in quantum physics could lead to new insights into the fundamental properties of matter and potentially enable the development of novel technologies that utilize quantum phenomena.
by Florian Aigner, Vienna University of Technology
edited by Gaby Clark , reviewed by Andrew Zinin
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility:
Add as preferred source (1) Polarizers, (2 and 6) adiabatic spin flippers, (3) radio-frequency spin flipper, (4) field reversal coil, sample holder, (5) scan coil, (7) analyzer, (8) neutron detector, (9) spin and (10) mechanical chopper for beam modulation (optional). Credit: Review of Scientific Instruments (2026). DOI: 10.1063/5.0321755 CANISIUS is the official name of the new spin-echo neutron interferometer developed at Atominstitut, TU Wien. It enables precise control of neutron waves, something that was previously impossible.
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