Creation and annihilation operators for anharmonic oscillators

Research output: Contribution to journalArticlepeer-review


Positive elliptic operators from the Helffer-Robert classes of pseudodifferential operators on the line can be approximately factored as products of creation and annihilation operators. Operators of anharmonic oscillators belong to these classes.

Original languageEnglish (US)
Pages (from-to)425-433
Number of pages9
JournalProceedings of the American Mathematical Society
Issue number2
StatePublished - Oct 1991

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics


Dive into the research topics of 'Creation and annihilation operators for anharmonic oscillators'. Together they form a unique fingerprint.

Cite this