Science

Scientists fed the Fibonacci sequence right into a quantum laptop and one thing unusual occurred

Scientists fed the Fibonacci sequence right into a quantum laptop and one thing unusual occurred

“You can also make the system behave as if there are two completely different instructions of time.”

The way forward for computing

Physicists fired a sequence of laser pulses that mimic the Fibonacci sequence on a quantum laptop and ended up creating a brand new section of matter within the course of, in accordance with a examine revealed in Nature earlier this yr.

They counsel that the brand new section of matter is especially dependable at storing info, extra so than strategies at the moment in use..

It is a probably huge breakthrough that might make quantum computer systems far more dependable, as conserving qubits of their quantum state is a problem with present know-how.

The Qubit Quandary

Within the realm of quantum computing, a one or a zero will not be saved as an extraordinary bit, however as a qubit. A qubit is completely different in that it may be a one or a zero on the identical timeprobably permitting quantum computer systems to carry out much more subtle calculations than classical computer systems orders of magnitude longer to finish.

Quantum computer systems nonetheless have a protracted approach to go earlier than reliably reaching such speeds to be sensible in on a regular basis use. First, qubits require a extremely managed setting through which a small perturbation, akin to a slight change in temperature, may cause the qubits to lose their quantum states—and their info.

Within the experiment, an extraordinary qubit at every finish of a row of ten atoms maintained its quantum state for 1.5 seconds. However once they blasted these atoms with a pulse of laser gentle in accordance with the Fibonacci numbers — a sequence of numbers the place every quantity is the sum of the earlier two — the qubits lasted a whopping 5.5 seconds.

And, in accordance with physicists, the explanation for that is associated to time itself.

“We realized that by utilizing quasi-periodic sequences primarily based on the Fibonacci sample, you can also make the system behave as if there are two completely different instructions of time,” mentioned lead examine writer Filipe Dumistrescu, a researcher on the Flatiron Institute’s Middle for Computational Quantum Physics. informed Gizmodo in a current interview.

Erase errors

However why Fibonacci numbers? Basically, if you hearth laser pulses in accordance with the Fibonacci numbers, they act like a sort of quasi-crystal, physicists say, a construction of matter that follows a sample however is not periodic.

In different phrases, they command, however they do not repeat.

“With this quasi-periodic sequence, there’s a advanced evolution that cancels out all of the errors that reside on the sting,” Dumistrescu clarified. in a press launch. “Due to this, the sting stays quantum-mechanically coherent for a lot, for much longer than you’ll count on.”

Extra on quantum computing: Scientists imagine that our mind works like a quantum laptop


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