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The dawn of quantum advantage
We predict the quantum community will uncover quantum advantage by the end of 2026, but how will we know when it's arrived?
They found that BF-DCQO outperformed both alternative methods in accuracy, runtime and resources — specifically in terms of qubit overhead for Quantum Annealing and circuit depth for LR-QAOA — in the tested instances. These quantum-centric computations went beyond the limit of exact classical simulability, operating at what we call “utility scale.” Crucially, the expectation value of the Hamiltonian emerges as an accuracy metric, allowing researchers to rank the outputs of SQD against classical-only methods, as published in Science Advances. As published in Nature Communications, the IBM and the University of Tokyo teams showed how KQD similarly begins by creating a subspace on a quantum computer and projecting a Hamiltonian of interest onto it, one more appropriate for materials science calculations.
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