由负弱值提供的光子损失的否定
Negation of photon loss provided by negative weak value
摘要：
我们提出了一个使用的一个弱值之间的预选和后选择的量子处理。虽然投影仪的弱值1提供了一个确定性的过程，就像概率1一样，但弱值-1完全否定了这个过程。它们的相互对立的效果是没有一个传统的'弱'的条件下批准。此外，量子过程并不局限于幺正;特别是我们考虑光子的损失，并通过实验证明了通过使用负弱值-1对抗正弱值1来否定光子损失。
英文摘要：
We propose a usage of a weak value for a quantum processing between preselection and postselection. While the weak value of a projector of 1 provides a process with certainty like the probability of 1, the weak value of -1 negates the process completely. Their mutually opposite effect is approved without a conventional `weak' condition. In addition the quantum process is not limited to be unitary; in particular we consider a loss of photons and experimentally demonstrate the negation of the photon loss by using the negative weak value of -1 against the positive weak value of 1.
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