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Construction of General Unitary Transformation for Conditional Quantum Dynamics and Realization of Quantum Controlled Gates

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摘要 By factorizing a general one-bit transformation matrix for one-bit gates in quantum computer,a general unitary transformation is constructed,which can serve as(controlled)^(m) gate for the conditional quantum dynamics.When the quantized single-mode electromagnetic field containing n or no photons acts as the controlled bit,the quantum controlled-NOT gates and square root of the controlled-NOT gates in cavity-quantum electrodynamics are realized.
作者 WANG Xiao-guang YU Rong-jin FU Jian-zheng 王晓光;于荣金;付建政(Laboratory of Excited State Processes,Changchun Institute of Physics,Chinese Academy of Sciences,Changchun 130021;Department of Computer Engineering,Changchun University,Changchun 130022)
出处 《Chinese Physics Letters》 SCIE CAS CSCD 1998年第6期395-397,共3页 中国物理快报(英文版)
基金 Supported by the Youth Science Foundation of Jilin Education Committee。
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