CAJ | 학술논문

利用相位相反技术，设计出了实现精确的CN门的脉冲序列；构造了三量子位的双重控制相位旋转门（CCS门），它是将核磁共振(NMR)实现Grover量子算法从二量子位推广到三量子位的关键逻辑门，而且，依此方法，可以用NMR实现N量子位的Grover量子算法；还给出了量子Toffoli门以及量子态的各种对称操作的逻辑部件。所有这些逻辑操作都是构建量子态工程的工具。文中大部分脉冲序列己经在实验中得到验证，这些结果对于量子计算的理论研究和实验实现都具有现实意义。
이용상위상반기술，설계출료실현정학적CN문적맥충서렬；구조료삼양자위적쌍중공제상위선전문（CCS문），타시장핵자공진(NMR)실현Grover양자산법종이양자위추엄도삼양자위적관건라집문，이차，의차방법，가이용NMR실현N양자위적Grover양자산법；환급출료양자Toffoli문이급양자태적각충대칭조작적라집부건。소유저사라집조작도시구건양자태공정적공구。문중대부분맥충서렬기경재실험중득도험증，저사결과대우양자계산적이론연구화실험실현도구유현실의의。
With the technique of opposite phases, the sequence pulse for exact controlled-not gate was designed, and the controlled-controlled phase　shift gate， which　is the key gate in Grovers algorithm， and the double controlled-not gate were also constructed by employing only two-body interaction. The symmetric operators of quantum states were made up. All the above are the tools of the quantum state engineering， therefore， theyare very useful for both theoretic and experimental investigations of quantum computation.