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SXU researchers publish on quantum precision measurements

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Updated : 2020-11-16

SXU researchers publish on quantum precision measurements

A diagram from the research article recently published in Nature Communications. [Photo/sxu.edu.cn]

A research team from the Institute of Laser Spectroscopy at Shanxi University (SXU) recently published its findings on precision quantum mechanics measurements in Nature Communications, a peer-reviewed, open access and scientific multidisciplinary journal.

The research article, entitled Retrodiction beyond the Heisenberg uncertainty relation, proved that the uncertainty of the outcome of position and momentum measurements can be lower than the limit set by the famous Heisenberg uncertainty principle, first propounded by German physicist Werner Heisenberg in 1927.

The latter is one of the pillars of quantum mechanics and sets the limit on how precisely scientists can predict the outcome of the measurements of two non-commuting observables.

The research was jointly conducted by a team led by Xiao Yanhong, a professor with the Institute of Laser Spectroscopy at SXU, and Professor Klaus Molmer from the Department of Physics and Astronomy at Denmark's Aarhus University.

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