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Oxford researchers successfully simulated the Aharonov–Bohm effect using a hybrid quantum architecture combining qubits and quantum oscillators, demonstrating its utility for modeling complex lattice gauge theories. This achievement highlights a practical pathway for quantum simulation to tackle high-energy physics problems that exceed classical computational limits as system scales increase. The work validates hybrid systems as viable platforms for exploring non-local quantum phenomena in regimes where classical methods fail.

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Hybrid quantum computer observes foundational quantum effect in a new setting

Phys.orgOctober 10, 20265 min read

Physicists in the Department of Physics at the University of Oxford have used a hybrid quantum computer, made up of qubits and quantum oscillators, to observe the Aharonov–Bohm effect in a quantum simulation. The effect is a quantum phenomenon in which a particle can acquire a measurable phase by traveling around a magnetic flux, even though it never passes through a region where a magnetic field is present.

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: Artist's illustration of the loop formed by the hybrid quantum system. Spinning tops represent qubits and springs represent quantum oscillators, together forming the plaquette geometry studied in the experiment and extending into a repeating lattice pattern. The central loop is pierced by an Aharonov-Bohm flux, highlighting one of the main results of the work. Credit: Dr. Helene Hainzer, Dr. Sebastian Saner, Dr. Gabriel Araneda and…

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