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We show by embodying the Einstein equivalence principle - local Poincar\'{e} invariance - and general covariance in quantum theory that wave-function spreading rules out the universality of free fall, i.e.… Click to show full abstract
We show by embodying the Einstein equivalence principle - local Poincar\'{e} invariance - and general covariance in quantum theory that wave-function spreading rules out the universality of free fall, i.e. the free-fall trajectory of a quantum (test) particle depends on its internal properties. We provide a quantitative estimate of the free-fall non-universality in terms of the E\"{o}tv\"{o}s parameter, which turns out to be measurable in atom interferometry.
Keywords:
fall;
quantum theory;
fall non;
non universality;
free fall
Journal Title: Annalen der Physik
Year Published: 2022
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Journal Title: Annalen der Physik
Year Published: 2022
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!