If you have ever questioned the nature of your reality, a new study suggests that there are actually two different versions of it ̵
The pre-published study, found in arXiv, sheds new light on the complex idea that two people could see the same photon,
"In quantum mechanics, the objectivity of observations is not so clear, most dramatically exposed in Eugene Wigner's eponymous thought experiment where two observers can experience fundamentally different realities," the researchers wrote in the study. "While observer-independence has long remained inaccessible to empirical investigation, recent no-go-theorems construct an extended Wigner's friend scenario with four entangled observers that allows us to put it to the test."
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They continued: "In a state-of-the-art photon experiment, we here realize this extended Wigner's friend scenario, experimentally violating the associated Bell-type "
One of the study's co-authors, Martin Ringbauer, told SETimes:" This is a great deal to interpret quantum theory that has already been set in a observer-dependent framework. Live Science that "you can verify both of them," adding that theoretical advances were needed before they were able to prove Wigner's hypothesis, which was first proposed in 1961.
"Theoretical advances w It is necessary to formulate the problem in a way that is testable. Then, the experimental side needed developments on the control of quantum systems to implement something like that, "he told the news outlet.
To test the idea, the researchers were called" two different laboratories, each involving an experimenter and their friend, "introducing two pairs of entangled photons, which allowed their fates to be intertwined." They also introduced "people" (who were not real, but rather represented observers) to measure one photon in the pair, record their results and repeat the process for
In 1961, when Wigner introduced the idea that would be the second photon using the quantum memory.
"Wigner's friend," only one scenario was used.With the new experiment, it was doubled and the results that Wigner had first discussed more than 50 years still rang true
Quantum mechanics gives details on how the world is working at a scale so small that the rules of physics do not apply, Live Science added. With the new findings of the study, the field of quantum mechanics may change if the measurements are not the same for all
"It seems that, in contrast to classical physics, measurement results can not be considered absolute truth but must be understood relative to the observer who performed the measurement, "Ringbauer told Live Science. "
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