Universal quantum gates between distant quantum dot spins |
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| Authors: | Hao-Sheng Zeng Qiong Wang Xi-Ming Fang Le-Man Kuang |
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| Institution: | Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081, China |
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| Abstract: | We propose a scheme to engineer a nonlocal two-qubit phase gate between two remote quantum-dot spins in cavities. As the effect of cavity decay is considered and strong coupling condition is not used, the scheme has good adaptability. Along with single qubit operations, one can perform in principle various types of distributed quantum information processing. |
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| Keywords: | Quantum-dot spins Nonlocal quantum gates Polarized photon |
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