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How an Accident Sparked a Quantum Computing Breakthrough

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Here's how a series of happy accidents may have upended our approach to constructing quantum computers.
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An accident in a lab in Australia has led to a breakthrough discovery—one that might even change how we approach building quantum computers.

As we know, quantum computers are much more difficult to make quite as small as their classical counterparts, and one dream for future quantum computers is a best-of-both-worlds scenario, where single atoms embedded in silicon can be manipulated with magnetic fields, producing more compact chips with millions of qubits on them.

And now, it seems, these researchers in Australia have stumbled across a way to control nuclear qubits with more-manageable electric fields.

Find out more about this mysterious accidental discovery and what it could mean for the future of quantum computing in this Elements.

#quantumcomputers #microchip #nuclear #innovation #discovery #seeker #science #elements

Read More:

Engineers crack 58-year-old puzzle on way to quantum breakthrough
https://newsroom.unsw.edu.au/news/science-tech/engineers-crack-58-year-old-puzzle-way-quantum-breakthrough
"A happy accident in the laboratory has led to a breakthrough discovery that not only solved a problem that stood for more than half a century, but has major implications for the development of quantum computers and sensors."

Decoherence Is a Problem for Quantum Computing, But ...
https://blogs.scientificamerican.com/observations/decoherence-is-a-problem-for-quantum-computing-but/
"Decoherence could come from many aspects of the environment: changing magnetic and electric fields, radiation from warm objects nearby, or cross talk between qubits. Quantum scientists have their work cut out for them in wrangling all of these potential sources of decoherence."

Here’s a Blueprint for a Practical Quantum Computer
https://spectrum.ieee.org/computing/hardware/heres-a-blueprint-for-a-practical-quantum-computer
"The power of a quantum computer lies in the fact that the system can be put in a combination of a very large number of states. Sometimes this fact is used to argue that it will be impossible to build or control a quantum computer: The gist of the argument is that the number of parameters needed to describe its state would simply be too high."

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