Researchers find quantum errors do compute
(麻豆淫院Org.com) -- 麻豆淫院icists from The University of Queensland have found the emerging field of quantum computing may be more stable than previously thought.
Dr Tom Stace, from UQ's School of Mathematics and 麻豆淫院ics, has studied the effect of errors in quantum computers and found with even 50 percent loss of components it could still work.
The theoretical research done with Dr Andrew Doherty from UQ and Dr Sean Barrett from Macquarie University, was recently published in the scientific journal 麻豆淫院ical Review Letters.
鈥淥ur results demonstrate that relatively large errors and losses can be tolerated, and so may confirm that quantum computers are genuinely feasible,鈥� Dr Stace said.
鈥淲hat our work shows is theoretically a useful quantum device can be built even if up to 10 percent of its components suffer an error, or up to 50 percent of the components are completely lost.鈥�
Dr Stace said while quantum computing was still in its early days, it had the potential to revolutionise computers because of it potential to be much more powerful than current computers, especially in fields such as banking where security of transactions is paramount..
鈥淏ut one of the main challenges of quantum computation is to design a device that is insensitive to errors, even though its constituent elements are themselves prone to errors,鈥� he said.
鈥淨uantum devices are very sensitive to noise in their surroundings, and their performance can be greatly impaired by errors.
鈥淥ur research is therefore focused on how one could build a useful device from imperfect components.
鈥淭his theoretical work gives a quantitative idea of how precise quantum engineering needs to be in order to make useful devices.鈥�
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Provided by University of Queensland ( : )
