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Gravity

Gravity

Physicists detect an Aharonov–Bohm effect for gravity

25 Jan 2022
Two spheres against a mesh background representing gravitational potentials
A quantum probe for gravity: Physicists have detected a tiny phase shift in atomic wave packets due to gravity-induced relativistic time dilation – an example of the Aharonov-Bohm effect in action. (Courtesy: Shutterstock/Evgenia Fux)
The idea that particles can feel the influence of potentials even without being exposed to a force f

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Edwin Cartlidge is a science writer based in Rome
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