Nonlinearity as a resource for nonclassicality in anharmonic systems

@article{Albarelli2016NonlinearityAA,
  title={Nonlinearity as a resource for nonclassicality in anharmonic systems},
  author={Francesco Albarelli and Alessandro Ferraro and Mauro Paternostro and Matteo Paris},
  journal={Physical Review A},
  year={2016},
  volume={93},
  pages={032112}
}
  • Francesco Albarelli, Alessandro Ferraro, +1 author Matteo Paris
  • Published 2016
  • Physics
  • Physical Review A
  • Nonclassicality is a key ingredient for quantum enhanced technologies and experiments involving macro- scopic quantum coherence. Considering various exactly-solvable quantum-oscillator systems, we address the role played by the anharmonicity of their potential in the establishment of nonclassical features. Specifically, we show that a monotonic relation exists between the the entropic nonlinearity of the considered potentials and their ground state nonclassicality, as quantified by the… CONTINUE READING

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