<正> We propose two schemes for the implementation of quantum discrete Fourier transform in the ion trap sys-tem.In each scheme we design a tunable two-qubit phase gate as the main ingredient.The experimental im...<正> We propose two schemes for the implementation of quantum discrete Fourier transform in the ion trap sys-tem.In each scheme we design a tunable two-qubit phase gate as the main ingredient.The experimental implementationof the schemes would be an important step toward complex quantum computation in the ion trap system.展开更多
The pulse sequences of the logic operations used in quantum discrete Fourier transform are designed for the experiment of nuclear magnetic resonance(NMR), and 2-qubit discrete Fourier transforms are implemented experi...The pulse sequences of the logic operations used in quantum discrete Fourier transform are designed for the experiment of nuclear magnetic resonance(NMR), and 2-qubit discrete Fourier transforms are implemented experimentally with NMR. The experimental errors are examined and methods for reducing the errors are proposed.展开更多
基金The project supported by National Natural Science Foundation of China under Grant No. 10225421 and Funds from Fuzhou University
文摘<正> We propose two schemes for the implementation of quantum discrete Fourier transform in the ion trap sys-tem.In each scheme we design a tunable two-qubit phase gate as the main ingredient.The experimental implementationof the schemes would be an important step toward complex quantum computation in the ion trap system.
文摘The pulse sequences of the logic operations used in quantum discrete Fourier transform are designed for the experiment of nuclear magnetic resonance(NMR), and 2-qubit discrete Fourier transforms are implemented experimentally with NMR. The experimental errors are examined and methods for reducing the errors are proposed.
