Harmonic oscillator driven by a quantum current

John J. Slosser, Pierre Meystre, Samuel L. Braunstein

Research output: Contribution to journalArticle

135 Scopus citations


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 languageEnglish (US)
Pages (from-to)934-937
Number of pages4
JournalPhysical review letters
Issue number9
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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