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Quantum correlations with spacelike separated beam splitters in motion: experimental test of multisimultaneity
André Stefanov1, Hugo Zbinden, Nicolas Gisin
1Group of Applied Physics, University of Geneva, 1211 Geneva 4, Switzerland.
Physical Review Letters
|March 23, 2002
Summary
Multisimultaneity, a quantum physics model, predicts correlations vanish in Bell tests with moving analyzers. Experiments showed correlations persist, contradicting this model and supporting standard quantum mechanics.
Area of Science:
- Relativistic quantum physics
- Quantum information
- Foundations of quantum mechanics
Background:
- Multisimultaneity proposes a real time ordering for events, differing from standard quantum mechanics.
- It predicts a loss of quantum correlations in Bell-type experiments under specific relative motion conditions.
Purpose of the Study:
- To experimentally test the prediction of Multisimultaneity regarding the disappearance of quantum correlations.
- To compare experimental results with predictions from Multisimultaneity and standard quantum mechanics.
Main Methods:
- Utilized acousto-optic modulators as moving beam splitters in an experimental setup.
- Employed interferometers separated by 55 meters to measure photon correlations.
- Performed Bell-type experiments with analyzers in relative motion.
Main Results:
- Observed no disappearance of quantum correlations, even when analyzers were in relative motion.
- Experimental results align with the predictions of standard quantum mechanics.
- Contradicted the specific prediction of Multisimultaneity regarding correlation behavior.
Conclusions:
- The experiment does not support the Multisimultaneity model's prediction of correlation disappearance.
- Findings reinforce the validity of standard quantum mechanics in describing relativistic quantum phenomena.
- Further investigation into causal models of quantum physics is warranted.