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中文摘要：
这篇论文为开的量讨论可控制的潜水艇空格的概念动态系统。有在开的量系统上执行开环的协调控制的能力的 decoherence 免费的潜水艇空格的联合结构的特征将允许 decoherence 免费的潜水艇空格可控制，这积极地被表明。这与观察相对照动态系统不是的那开的量开环可控制。到某个程度，这篇论文给其他的控制 decoherence 免费的潜水艇空格为什么能为量计算是有用的理论解释。
英文摘要：
This paper discusses the concept of controllable subspace for open quantum dynamical systems. It is constructively demonstrated that combining structural features of decoherence-free subspaces with the ability to perform open-loop coherent control on open quantum systems will allow decoherence-free subspaces to be controllable. This is in contrast to the observation that open quantum dynamical systems are not open-loop controllable. To a certain extent, this paper gives an alternative control theoretical interpretation on why decoherence-free subspaces can be useful for quantum computation.
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