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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

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Experimental Demonstration of Quantum Pseudotelepathy.

Jia-Min Xu^1,2, Yi-Zheng Zhen^1,2, Yu-Xiang Yang^3,4

¹Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, University of Science and Technology of China, Hefei 230026, China.

Physical Review Letters

|August 12, 2022

Summary

Quantum pseudotelepathy enables perfect wins in nonlocal games, unlike statistical quantum advantages. This study experimentally demonstrates this phenomenon using a magic square game with hyperentangled photons.

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Area of Science:

Quantum Information Science
Quantum Foundations
Quantum Nonlocality

Background:

Quantum pseudotelepathy represents a profound form of nonlocality, enabling perfect probabilistic wins in specific games.
Conventional nonlocal games, such as the Clauser-Horne-Shimony-Holt game, rely on statistical advantages offered by quantum strategies.
Quantum pseudotelepathy, however, theoretically allows for guaranteed (probability 1) wins for quantum players.

Purpose of the Study:

To experimentally demonstrate quantum pseudotelepathy.
To showcase the potential of quantum mechanics to achieve perfect coordination in nonlocal settings.
To validate theoretical predictions of quantum pseudotelepathy in a practical scenario.

Main Methods:

The study employed the nonlocal version of the Mermin-Peres magic square game.
Hyperentanglement was utilized, entangling photon pairs in both polarization and orbital angular momentum degrees of freedom.
This resource-efficient scheme facilitated a faithful experimental demonstration.

Main Results:

The experiment successfully demonstrated quantum pseudotelepathy.
Results indicated that quantum players can achieve simultaneous perfect wins across all queries.
These findings hold under standard assumptions of locality and fair sampling.

Conclusions:

The experimental results confirm the principle of quantum pseudotelepathy.
The study highlights the power of quantum entanglement for coordinated outcomes in nonlocal games.
This work provides a significant step towards understanding and utilizing strong quantum nonlocality.