Creation and annihilation operators for anharmonic oscillators

Research output: Contribution to journalArticlepeer-review

Abstract

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
Volume113
Issue number2
DOIs
StatePublished - Oct 1991
Externally publishedYes

ASJC Scopus subject areas

  • General Mathematics
  • Applied Mathematics

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