Thermometry of ultracold atoms via nonequilibrium work distributions

@article{Johnson2016ThermometryOU,
  title={Thermometry of ultracold atoms via nonequilibrium work distributions},
  author={T. Johnson and F. Cosco and M. T. Mitchison and D. Jaksch and S. Clark},
  journal={Physical Review A},
  year={2016},
  volume={93},
  pages={053619}
}
  • T. Johnson, F. Cosco, +2 authors S. Clark
  • Published 2016
  • Physics
  • Physical Review A
  • Estimating the temperature of a cold quantum system is difficult. Usually, one measures a well-understood thermal state and uses that prior knowledge to infer its temperature. In contrast, we introduce a method of thermometry that assumes minimal knowledge of the state of a system and is potentially non-destructive. Our method uses a universal temperature-dependence of the quench dynamics of an initially thermal system coupled to a qubit probe that follows from the Tasaki-Crooks theorem for non… CONTINUE READING
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