Hybrid Quantum Computer Observes Foundational Quantum Effect in a New Setting
The simulation showed magnetic flux can cancel tunneling and help researchers model matter-field interactions that are difficult to compute with conventional computers.
4 Articles
4 Articles
Hybrid quantum computer observes foundational quantum effect in a new setting
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.
Physicists Use Quantum Computer to Block Particle Tunneling
Oxford physicists have used a hybrid quantum computer to block particle tunneling with magnetic flux. Notably, the particle never directly contacted the magnetic field. The team published its findings in Nature Physics. The experiment simulates the Aharonov-Bohm effect, which Yakir Aharonov and David Bohm first predicted in 1959. This effect shows that a magnetic field […]
A particle can be influenced by a magnetic field without ever crossing it. Researchers have now observed this Aharonov bohm effect in a quantum simulation with trapped ions. Depending on the simulated magnetic flux, a material excitation wandered between two positions or remained almost at its source. The process could allow for more complex models of fundamental interactions. Oxford (England). In quantum physics [...] The article Hybrid Quantum…
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