论文标题
歧视开发渠道
Discrimination of dephasing channels
论文作者
论文摘要
针对有限维系统解决了驱动通道歧视的问题。特别是,在分析量子,Qutrit和ququart方面,对没有能量约束的输入状态进行了优化。此外,在这种情况下,诉诸于侧面纠缠辅助策略是完全没有用的。
The problem of dephasing channel discrimination is addressed for finite-dimensional systems. In particular, the optimization with respect to input states without energy constraint is solved analytically for qubit, qutrit and ququart. Additionally, it is shown that resorting to side entanglement assisted strategy is completely useless in this case.