A quantum network of clocks

  title={A quantum network of clocks},
  author={Peter K'om'ar and Eric Matthias Kessler and Michael Bishof and Liang Jiang and Anders S S{\o}rensen and Jun Ye and Mikhail D. Lukin},
  journal={Nature Physics},
A proposed network of atomic clocks—using non-local entangled states—could achieve unprecedented stability and accuracy in time-keeping, as well as being secure against internal or external attack. 

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