Morse oscillator propagator in the high temperature limit I: Theory

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5 Citations (Scopus)

Abstract

In an earlier work of the author the time evolution of Morse oscillator was studied analytically and exactly at low temperatures whereupon optical correlation functions were calculated using Morse oscillator coherent states were employed. Morse oscillator propagator in the high temperature limit is derived and a closed form of its corresponding canonical partition function is obtained. Both diagonal and off-diagonal forms of Morse oscillator propagator are derived in the high temperature limit. Partition functions of diatomic molecules are calculated.

Original languageEnglish
Pages (from-to)210-219
Number of pages10
JournalAnnals of Physics
Volume377
DOIs
Publication statusPublished - Feb 1 2017

Keywords

  • Diatomic molecule
  • High temperature limit
  • Morse oscillator
  • Partition function
  • Quantum propagator

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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