Science, Space and Technology News 2024
Researchers at the University of Manchester and the University of Melbourne have developed an ultra-pure silicon crucial for creating scalable quantum computers, which could potentially address global challenges such as climate change and healthcare issues.has been achieved with the development of ultra-pure silicon, setting the stage for the creation of powerful, scalable quantum computers.
Another issue is their scale, both their physical size and processing power. Ten qubits have the same processing power as 1,024 bits in a normal computer and can potentially occupy much smaller volume. Scientists believe a fully performing quantum computer needs around one million qubits, which provides the capability unfeasible by any classical computer.
Ravi Acharya, a PhD researcher who performed experimental work in the project, explained: “The great advantage of silicon quantum computing is that the same techniques that are used to manufacture the electronic chipscan be used to create qubits for silicon-based quantum devices. The ability to create high quality Silicon qubits has in part been limited to date by the purity of the silicon starting material used. The breakthrough purity we show here solves this problem.
“Now that we can produce extremely pure silicon-28, our next step will be to demonstrate that we can sustain quantum coherence for many qubits simultaneously. A reliable quantum computer with just 30 qubits would exceed the power of today’s supercomputers for some applications,”All computers operate using electrons. As well as having a negative charge, electrons have another property known as ‘spin’, which is often compared to a spinning top.
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'World's purest silicon' could lead to 1st million-qubit quantum computing chipsKeumars is the technology editor at Live Science. He has written for a variety of publications including ITPro, The Week Digital, ComputerActive, The Independent, The Observer, Metro and TechRadar Pro. He has worked as a technology journalist for more than five years, having previously held the role of features editor with ITPro.
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