Using the same 54-qubit quantum computer used to show quantum supremacy, researchers ran the Hartree-Fock approximation—twice as large as previous experiments with ten times as many quantum gate ops.
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Google says that its Sycamore quantum computer has achieved quantum supremacy after it managed to work out a problem in 200 seconds, whereas a supercomputer would take 10,000 years.
Researchers at IBM showed that by conservative worst-case estimates, the same task that would have allegedly taken 10,000 years to solve on a classical computer, can instead be solved in 2.5 days.
