# Capacity and Entropy of a Retro-Causal Channel Observed in a Twin Mach-Zehnder Interferometer During Measurements of Pre- and Post-Selected Quantum Systems

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## Abstract

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## 1. Introduction

## 2. Theory of Projector Measurement

## 3. Capacity and Entropy Models for Retro-Causal Channels Present in PPS and PSO Mixtures

## 4. The Retro-Causal Channel in the 2010 Twin Mach-Zehnder Interferometer Experiment

## 5. Discussion

## Author Contributions

## Funding

## Acknowledgments

## Conflicts of Interest

## References

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**MDPI and ACS Style**

Parks, A.; Spence, S.
Capacity and Entropy of a Retro-Causal Channel Observed in a Twin Mach-Zehnder Interferometer During Measurements of Pre- and Post-Selected Quantum Systems. *Entropy* **2018**, *20*, 411.
https://doi.org/10.3390/e20060411

**AMA Style**

Parks A, Spence S.
Capacity and Entropy of a Retro-Causal Channel Observed in a Twin Mach-Zehnder Interferometer During Measurements of Pre- and Post-Selected Quantum Systems. *Entropy*. 2018; 20(6):411.
https://doi.org/10.3390/e20060411

**Chicago/Turabian Style**

Parks, Allen, and Scott Spence.
2018. "Capacity and Entropy of a Retro-Causal Channel Observed in a Twin Mach-Zehnder Interferometer During Measurements of Pre- and Post-Selected Quantum Systems" *Entropy* 20, no. 6: 411.
https://doi.org/10.3390/e20060411