揭示量子控制机制的Beable轨迹
Beable trajectories for revealing quantum control mechanisms
摘要：
通过最佳形状的激光脉冲控制量子系统时引起的动力学通常很难详细理解。提出了一种方法，用于量化的控制过程中所涉及的量子跃迁的特定序列的重要性。该方法是基于一个“beable”的量子力学，由于约翰贝尔严格映射到一个经典的状态空间的随机轨迹的合奏量子演化制定。详细的机制识别示出了一个模型的7级系统。提出了一种直接从闭环控制实验中提取机构信息的一般方法。该模型系统的模拟实验数据的应用证明了高达25%的噪声鲁棒性。
英文摘要：
The dynamics induced while controlling quantum systems by optimally shaped laser pulses have often been difficult to understand in detail. A method is presented for quantifying the importance of specific sequences of quantum transitions involved in the control process. The method is based on a ``beable'' formulation of quantum mechanics due to John Bell that rigorously maps the quantum evolution onto an ensemble of stochastic trajectories over a classical state space. Detailed mechanism identification is illustrated with a model 7-level system. A general procedure is presented to extract mechanism information directly from closed-loop control experiments. Application to simulated experimental data for the model system proves robust with up to 25% noise.
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