Parks Allen, Spence Scott
Electromagnetic and Sensor Systems Department, Naval Surface Warfare Center Dahlgren Division, Dahlgren, VA 22448, USA.
Entropy (Basel). 2018 May 27;20(6):411. doi: 10.3390/e20060411.
Simple intuitive models are presented for the capacity and entropy of retro-causal channels in measured ensembles of quantum systems which can be represented as statistical mixtures of pre-selected only and pre- and post-selected systems. Measurement data from a twin Mach-Zehnder interferometer experiment are used in these models to discuss the capacity and entropy of an apparent retro-causal channel observed in the experimental data. It is noted that low capacity/low entropy retro-causal channels can exist in strong measurement systems.
针对量子系统测量系综中反因果信道的容量和熵，提出了简单直观的模型，这些量子系统可表示为仅预选择以及预选择和后选择系统的统计混合。在这些模型中，使用来自双马赫 - 曾德尔干涉仪实验的测量数据来讨论实验数据中观察到的明显反因果信道的容量和熵。值得注意的是，在强测量系统中可能存在低容量/低熵的反因果信道。
