Technology June 1, 2021

Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation

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npj Quantum Information, Published online: 01 June 2021; doi:10.1038/s41534-021-00409-y

Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation

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Researchers at the University of Rochester developed a new method for manipulating information in quantum systems by controlling the spin of electrons in silicon quantum dots. Electrons in silicon experience a phenomenon called spin-valley coupling between their spin (up and down arrows) and valley states (blue and red orbitals). When researchers apply a voltage (blue glow) to electrons in silicon, they harness the spin-valley coupling effect and can manipulate the spin and valley states, controlling the electron spin. (University of Rochester illustration / Michael Osadciw)

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