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The potential solution sounds almost as fantastical as the problem. You could guide the cloud to dance as it travels, to the beat of a unique material known as a
Krzysztof Giergiel and Krzysztof Sacha from Jagiellonian University in Poland and Peter Hannaford from Swinburne University of Technology in Australia propose a novel kind of 'time' circuit might be up to the task of preserving the nebulous states of qubits as they're carried through tempests of quantum logic.its spread of possibilities changes like the odds of a runner winning the 100-meter sprint at the Olympics, until finally only one outcome is observed.
Time crystals are materials that transform in repeated patterns over time. Theorized as curiosities just over a decade ago, versions of these 'ticking' systems have since been developed using the gentle nudge of a laser and ultra-cold clusters of atoms, where bursts of light send particles into periodical swings that defy the laser's timing.
Such a temporal circuit of constantly drifting qubits would make it easier to direct just about any of the computer's particles into another's path, entangling their quantum possibilities in useful rather than error-imposing ways. While the proposal remains purely theoretical, the team showed how the physics of groups of potassium ions cooled to near absolute temperatures and directed by a laser's pulse could provide an 'orchestra' for qubits to waltz to.and can be used for practical purposes, the challenge of carrying a cloud just might not be such a fairy tale quest after all.
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