Tue. Jan 18th, 2022

Researchers from the University of New South Wales in Sydney, Australia, have actually revealed the discovery of a major breakthrough in quantum computing.To date, quantum scientists and computer engineers have actually just been able to utilize proof-of-concept designs of quantum processors that deal with just a few spin qubits, the quantum equivalent of a bit.
Now, new research study published in the journal Science Advances has actually identified a technique which the researchers declare will allow them to manage millions of these qubits.The team considers their style the “missing jigsaw piece” in quantum computer system architecture.

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In a standard computer system, a bit – the single unit of information, either a 0 or a 1 – is kept in the electronic circuit of the computer system itself, specifically in the capacitor of a memory cell, with the worth depending upon whether the capacitor is charged or discharged.
Spin qubit quantum computers change this capacitor with a single quantum particle – the electron – and its “spin” worth.
Dr Jarryd Play, a scientist at UNSW, explained: “Up till this point, controlling electron spin qubits depended on us delivering microwave magnetic fields by putting a current through a wire right beside the qubit.
“This poses some genuine difficulties if we desire to scale up to the millions of qubits that a quantum computer will require to resolve worldwide considerable problems, such as the design of brand-new vaccines. Instead of having thousands of control wires running across the thumbnail-sized piece of silicon, the team created a magnetic field from above the chip which can manipulate all of the qubits simultaneously.This had first been proposed in the 1990s, however the brand-new research is the first practical method to accomplish this.”The teams experiments which could permit them to control millions of qubits at the very same time was a success, although “there are engineering obstacles to deal with before processors with a million qubits can be made”, Dr Pla added.

ANALYSIS

“This positions some real difficulties if we desire to scale up to the millions of qubits that a quantum computer system will require to solve worldwide substantial problems, such as the design of brand-new vaccines. Instead of having thousands of control wires running across the thumbnail-sized piece of silicon, the team produced a magnetic field from above the chip which can manipulate all of the qubits simultaneously.This had initially been proposed in the 1990s, however the new research is the first useful way to achieve this.”The teams experiments which could enable them to control millions of qubits at the very same time was a success, although “there are engineering obstacles to solve prior to processors with a million qubits can be made”, Dr Pla included.

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