IBM claims to have demonstrated quantum advantage over classical computers in solving real-life problems, according to a research paper published in Nature Physics by the company on June 28, 2021.
The experiment aimed to prove that quantum computers, even with noise (errors), could still offer more value than classical computers. A theoretical experiment on a noiseless quantum computer demonstrated 100% accuracy compared to 87.5% in a classical computer. Even when adjusting for noise, which is common in today's real-life quantum computers, the performance was better with 93% accuracy.
It also disproved the "Holevo's boundary," which claims that one qubit can only store one bit of information.
IBM has quantum processors ranging from 5-qubits to 65-qubits, and the company aims to develop a fully operational 1,000-qubit quantum computer that is 37 times faster by 2023. The company launched a quantum computer in Germany in June 2021 and is set to launch another in Japan in July 2021 to accelerate the development of real-life quantum applications.
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