Researchers at Israel's Bar-Ilan University ran a collaborative mathematical game on different systems to determine whether they demonstrated quantum mechanical properties, how often they delivered the correct results, and how those results compare to those generated by a classical computer.
The game required non-local correlations, meaning parts of the system could not communicate to solve challenges or score points.
The researchers, who used the Microsoft Azure Quantum platform to perform the experiment, found that Honeywell's Quantinuum System Model H1-1 was the only system to outperform the classical results.
Bar-Ilan's Emanuele Dalla Torre said the H1-1 returned the correct answer 97% of the time, compared with 87.5% for classical computers, and was "behaving quantum mechanically."
Said Dalla Torre, "What this experiment demonstrates is that there is a non-local effect, meaning that when you measure one of the qubits, you are actually affecting the others instantaneously."
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