期刊
CHEMICAL PHYSICS LETTERS
卷 410, 期 4-6, 页码 358-364出版社
ELSEVIER
DOI: 10.1016/j.cplett.2005.05.090
关键词
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Optimal control theory is applied to a molecular vibrational system in light of its possible application to quantum computing (QC). We present the numerical results of an ammonia molecular vibrational model system with two modes: a bending mode and an asymmetric stretching mode. We demonstrate logic gates fundamental to QC algorithms, namely Hadamard and controlled-NOT gates. Our results show that averages of population transfers at each gate are above 93% high fidelity. A mode that has a double-well structured potential is found to have many transfer pathways, which facilitates obtaining optimal laser pulses. (c) 2005 Elsevier B.V. All rights reserved.
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