Science, Space and Technology News 2023
Whenever measurement precision nears the uncertainty limit set by quantum mechanics, the results become dependent on the interaction dynamics between the measuring device and the system. This finding may explain why quantum experiments often produce conflicting results and may contradict basic assumptions regarding physical reality.
According to quantum theory, measurement results are shaped by the changes in the relation between the past and the future of a system caused by the measurement interaction. Credit: Tomonori Matsushita and Holger F.
“Our results show that the physical reality of an object cannot be separated from the context of all its interactions with the environment, past, present, and future, providing strong evidence against the widespread belief that our world can be reduced to a mere configuration of material building blocks,” said Hofmann.
The authors further explained that the fluctuations in the system dynamics depend on the strength of the measurement interaction. In the limit of weak interactions, the fluctuations of the system dynamics are negligibly small and the meter shift can be determined from the Hamilton-Jacobi equation, a classical differential equation expressing the relation between a physical property and the dynamics associated with it.
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