https://www.nist.gov/publications/quantum-harmonic-oscillator-state-synthesis-and-analysis
Quantum Harmonic Oscillator State Synthesis and Analysis | NIST
Feb 17, 2017 - We laser-cool single beryllium ions in a Paul trap to the ground (n = 0) quantum harmonic oscillator state with greater than 90% probability.
quantum harmonic oscillatorstatesynthesisanalysisnist
https://arxiv.org/abs/1005.3839
[1005.3839] Nonclassical phase-space trajectories for the damped harmonic quantum oscillator
Abstract page for arXiv paper 1005.3839: Nonclassical phase-space trajectories for the damped harmonic quantum oscillator
phase space