Abstract
We show that under certain circumstances a simple quantum harmonic oscillator driven by a quantum current evolves to unique pure states even if started as a mixed state. In various limits, these states exhibit nonclassical properties such as sub-Poissonian statistics, or more interestingly resemble macroscopic superpositions.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 934-937 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 63 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1989 |
ASJC Scopus subject areas
- General Physics and Astronomy
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