Quantum computing

Imperfect Clocks Limit Quantum Computers

The quantum computers that IBM, Google, Amazon and others are developing face daunting challenges on the road to practical applications. Now it turns out they may face a fundamental limit to large-scale performance—the imperfect nature of all clocks.Quantum computing can theoretically find answers to problems that classical computing would take…
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Researchers Simplify Switching for Quantum Electronics

A quantum cousin of the Hall effect could open the door to energy-efficient electronics, better sensors, and more-powerful quantum computers. Researchers have now broken a key barrier to its practical application by controlling the phenomenon electrically, rather than magnetically, for the first time. The Hall effect, discovered by physicist Edwin…
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Your Guide to the Newest Nobel Prize: Quantum Dots

Today, the Royal Swedish Academy of Sciences awarded the 2023 Nobel Prize in Chemistry to scientists from MIT, Columbia University, and the New York–based company Nanocrystals Technology for “the development of quantum dots, nanoparticles so tiny that their size determines their properties.”It’s a welcome development. IEEE Spectrum has been following…
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