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Ars Technica·5 min read·hard

Quantum computers outperform classical ones, with results you can trust

John Timmer
Quantum computers outperform classical ones, with results you can trust
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IBM has introduced new approaches to demonstrate quantum advantage, aiming to prove that quantum computers can perform tasks that are impossible for classical computers to verify. These developments focus on overcoming error-prone hardware to provide trustworthy results in complex computational scenarios.

Why it matters

Validating quantum advantage is a critical milestone for the future of computing, as it moves the field from theoretical potential to practical, verifiable application.

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Trustworthy Quantum computers outperform classical ones, with results you can trust Three approaches to the issue of quantum results that can’t be verified classically.

6 Credit: IBM Credit: IBM Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav There are many algorithms for which it has been mathematically proven that a quantum computer can generate results that would take a classical computer an unreasonable amount of time to generate. Unfortunately, today’s quantum computers either can’t run those algorithms or can only run simplified versions that classical computers can also handle. This has left the field facing a challenging question: Can we demonstrate the promise of quantum computers on today’s noisy, limited hardware?

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