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The Greenberger–Horn–Zeilinger paradox demonstrates a fundamental discrepancy between classical and quantum views of physical reality, and a new study by Chinese scientists has confirmed that the quantum world is even more non-classical than previously thought.
A team of physicists from the University of Science and Technology of China conducted an experiment in which photons were transformed into a 37-dimensional existence, including four conventional dimensions (three spatial and one temporal) and an additional 33 quantum parameters. The research is based on the idea of quantum nonlocality, which allows particles to interact over distances without classical signal transmission mechanisms, disrupting conventional notions of causality.
The scientists' calculations for three entangled particles showed that their states could be described in 37 parameters, corresponding to extra dimensions. To test this hypothesis, they used laser pulses containing encoded quantum information.
These results not only confirm the complexity and non-classical nature of the quantum world, but also may contribute to the development of quantum computing technologies by increasing the efficiency of converting information into a quantum state. The researchers plan to continue experiments to create even more stable multidimensional quantum systems capable of demonstrating quantum superiority.
Interestingly, such research could also have implications for hypothetical questions about time travel. Some physicists, including Lorenzo Gavassino, suggest that quantum mechanics allows classical paradoxes such as the “murdered grandfather paradox” to be avoided by violating the principle of consistency and the possibility of entropy reversal. This suggests that we are only beginning to uncover the true nature of the quantum world, which may be much more complex and surprising than we imagined.
