Anharmonic quantum mechanical systems do not feature phase space trajectories

@article{Oliva2016AnharmonicQM,
  title={Anharmonic quantum mechanical systems do not feature phase space trajectories},
  author={M. Oliva and Dimitris Kakofengitis and O. Steuernagel},
  journal={Physica A-statistical Mechanics and Its Applications},
  year={2016},
  volume={502},
  pages={201-210}
}
  • M. Oliva, Dimitris Kakofengitis, O. Steuernagel
  • Published 2016
  • Physics, Mathematics
  • Physica A-statistical Mechanics and Its Applications
  • Abstract Phase space dynamics in classical mechanics is described by transport along trajectories. Anharmonic quantum mechanical systems do not allow for a trajectory-based description of their phase space dynamics. This invalidates some approaches to quantum phase space studies. We first demonstrate the absence of trajectories in general terms. We then give an explicit proof for all quantum phase space distributions with negative values: we show that the generation of coherences in anharmonic… CONTINUE READING
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