Quantum logic gates for hot ions without a speed limitation.
Quantum logic gates for hot ions without a speed limitation.
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DOI：
10.1103/physrevlett.90.217901
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发表时间：
2003-05
影响因子：
8.6
通讯作者：
Shi-Biao Zheng
中科院分区：
文献类型：
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作者：
Shi-Biao Zheng
提出了一种利用热运动囚禁离子实现双量子比特量子相位门的方案。在该方案中，离子被调谐到载体的驻波激光同时照射，这实际上激发了几个振动模式。该方案对激光场的强度没有限制，只要有足够高强度的激光场，就可以以任意高的速度为热离子制造量子逻辑门。
We propose a scheme for realizing two-qubit quantum phase gates with trapped ions in thermal motion. In the scheme, the ions are simultaneously illuminated by a standing-wave laser tuned to the carrier, which virtually excites several vibrational modes. The scheme puts no limitations on the intensity of the laser field, allowing the production of a quantum logic gate for hot ions with an arbitrarily high speed as long as a laser field of sufficiently high intensity is available.