# $H_{2}O$ LINE SHAPE USING THE SINGLE PERTURBER APPROXIMATION

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 Title: $H_{2}O$ LINE SHAPE USING THE SINGLE PERTURBER APPROXIMATION Creators: Davies, R. W.; Clough, S. A.; Fahey, S. Issue Date: 1984 Publisher: Ohio State University Abstract: In the previous paper we have discussed a time domain formulation of spectral line broadening which satisfies the fluctuation-dissipation theorem (detail balance). We present a simplified version of the theory, transformed to the frequency domain, which is equivalent to the single perturber approximation of Baranger. Calculations for $H_{2}O$ self broadened line wings have been carried out using this treatment. Selected $H_{2}O$ line widths have been calculated using the more complete form of the theory giving results in good agreement with Anderson theory. Some details of the calculations will be presented and emphasis will be placed on a discussion of the temperature dependence of the results. Description: Author Institution: GTE Laboratories, Inc., Waltham; Air Force Geophysics Laboratory (OPI), Hanscom AFB URI: http://hdl.handle.net/1811/16645 Other Identifiers: 1984-MF-19