Programmable quantum processor implemented with superconducting circuit |
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Authors: | Nian-Quan Jiang Xi Liang Ming-Feng Wang |
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Affiliation: | College of Mathematics and Physics, Wenzhou University, Wenzhou 325035, China |
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Abstract: | A quantum processor might execute certain computational tasks exponentially faster than a classical processor. Here, using superconducting quantum circuits we design a powerful universal quantum processor with the structure of symmetric all-to-all capacitive connection. We present the Hamiltonian and use it to demonstrate a full set of qubit operations needed in the programmable universal quantum computations. With the device the unwanted crosstalk and ZZ-type couplings between qubits can be effectively suppressed by tuning gate voltages, and the design allows efficient and high-quality couplings of qubits. Within available technology,the scheme may enable a practical programmable universal quantum computer. |
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Keywords: | programmable quantum processor universal quantum gate superconducting qubit |
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