Quantum simulators get error bars

Researchers in Austria developed a method to verify quantum simulations by quantifying uncertainty in predictions. Demonstrated on an ion-trap quantum simulator with up to 51 qubits, the approach reconstructs system dynamics from experimental data and calculates error margins. Led by teams from the Technical University of Munich and the University of Innsbruck, it was first tested on ten ions before being applied to a 51-ion chain.

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