用不可比性证明任意三个量子态精确翻转的不可能性
Impossibility of Exact Flipping of Three Arbitrary Quantum States Via Incomparability
摘要：
我们在这里提出了一个方案，它将量子信息处理的两种不同的物理不可能性联系起来。我们推导出，精确翻转的三个任意状态不躺在一个伟大的圆是不可能的确定性，通过使用存在的不可比的状态，这是不相互转换确定性的本地操作和经典的通信。相反，考虑到不存在精确的普适翻转器，一对二体纯纠缠态的不可比性可以成立。
英文摘要：
We present here a scheme that relates seemingly two different kinds of physical impossibilities of quantum information processing. We derive, exact flipping of three arbitrary states not lying in one great circle is not possible with certainty, by using the existence of incomparable states which are not interconvertible deterministically by local operations and classical communications. In contrast, considering the non-existence of exact universal flipper, the incomparability of a pair of bipartite pure entangled states can be established.
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