Properties of vibrational energy levels in the quasiperiodic and stochastic regimes

D. W. Noid, M. L. Koszykowski, M. Tabor, R. A. Marcus

Research output: Contribution to journalArticle

164 Scopus citations

Abstract

Several aspects of the quantal energy spectrum are explored for the Henon-Heiles Hamiltonian system: a striking and initially unexpected continuation of sequences of eigenvalues from the quasiperiodic to the stochastic regime, the origin of large second differences Δ 2Ei of eigenvalues arising from variation of a parameter, the comparison of classical and quantal spectra, and a comparison of the "classical" and quantal number of states. In the study of the second differences we find both "crossings" and "avoided crossings" of the eigenvalues. We discuss the importance of overlapping avoided crossings as a basis for a possible theory of "quantum stochasticity".

Original languageEnglish (US)
Pages (from-to)6169-6175
Number of pages7
JournalThe Journal of chemical physics
Volume72
Issue number11
DOIs
StatePublished - 1979

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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