Physicists finally put Feynman's path integral to the test | HappeningNow.news

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Physicists finally put Feynman's path integral to the test

Wen et al. For nearly 80 years, physicists have relied on a thought experiment created by Richard Feynman to predict how quantum particles behave.

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Physicists in China have conducted the first direct laboratory test of Richard Feynman’s path‑integral thought experiment, which has guided quantum‑particle predictions for nearly eight decades. The experiment, led by Shi‑Liang Zhu at South China Normal University in Guangzhou, employed single photons to evaluate the theoretical framework. Results showed that the path‑integral approach accurately describes the behavior of the photons in the test, confirming the long‑standing hypothesis with empirical evidence.

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