The Feynman path integral mathematically represents quantum mechanics by suggesting that particles take infinitely many paths, each contributing to the probability amplitude. Each path is weighted by the factor exp(-i/hbar * S), where S is the classical action. However, while the mathematics supports this interpretation, Richard Feynman himself did not endorse the idea that particles physically traverse all these paths. Instead, he emphasized the utility of the path integral as a computational tool rather than a definitive description of reality.
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edpell said:Super good question.
I do not know. It is great to know that there are still areas in physics still to be understood. :)