Exciton-Polariton Dispersion of Alkali Bromides Observed with Interference Method.

DOI Web Site Web Site BIBCODE 42 References
  • Itoh Minoru
    Department of Electrical and Electronic Engineering, Faculty of Engineering, Shinshu University, Nagano 380–8553
  • Ohno Nobuhito
    Department of Materials Science, Faculty of Engineering, Osaka Electro–Communication University, Neyagawa 572–8530

Search this article

Description

The dispersion of exciton-polaritons in RbBr has been studied in the vicinities of the halogen-doublet Γ (3/2, 1/2) and Γ (1/2, 1/2) exciton resonances by using an interference method. The results are combined with the data of the upper branch of the Γ (3/2, 1/2) exciton-polariton obtained by Fröhlich's group, and are analyzed with use of the dispersion formula based on a two-oscillator model. The analysis yields fundamental exciton parameters for each of the halogen-doublet states, such as the transverse resonance energy, the longitudinal-transverse splitting and the background dielectric constant. From these values, the oscillator strength and the analytic exchange energy are also deduced for the excitons in RbBr.

Journal

References(42)*help

See more

Keywords

Details 詳細情報について

Report a problem

Back to top