Computation of H2O Quadrupole Moment Matrix Elements for Pressure Broadening Calculations,

Abstract

Recent tunable laser measurements indicate that theoretical linewidths, calculated for H2O self-broadened transitions and based solely on the effects of dipole-dipole collisions, are too small at high and intermediate J values. This suggests neglect of other important scattering mechanisms, such as dipole-quadrupole interactions. This report discusses computational procedures necessary to obtain quadrupole moment matrix elements for H2O and other asymmetric rotor molecules. Computer programs to obtain these matrix elements have been constructed and are presently operational. Numerical results for some low J quadrupole transitions are presented in Appendix B of the report. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1979
Accession Number
ADA068569

Entities

People

  • Richard W. Davies

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Charged Particles
  • Collisions
  • Computational Science
  • Computations
  • Computer Programs
  • Computers
  • Coordinate Systems
  • Eigenvalues
  • Eigenvectors
  • Magnetic Quantum Numbers
  • Procedures (Computers)
  • Quadrupole Moment
  • Quantum Numbers
  • Scattering
  • Symmetry
  • Wave Functions

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Theoretical Analysis.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers