Microscopic calculation of the wave-vector dependence of the third-order nonlinearity due to excitonic polaritons in CuCl

T. Takagahara; Joseph L. Birman

doi:10.1103/PhysRevB.28.6161

Microscopic calculation of the wave-vector dependence of the third-order nonlinearity due to excitonic polaritons in CuCl

T. Takagahara, Joseph L. Birman

Department of Physics

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3 Citations (Scopus)

Abstract

The wave-vector dependence of the third-order nonlinearity due to the excitonic polaritons in CuCl is microscopically calculated using the Bloch functions at finite wave vectors obtained from the k→•p→ perturbation method. It is found that in the spatially dispersive region the magnitude of the nonlinearity is not so strongly dependent on the wave vector over the range from less than 106 cm-1 (upper-branch polariton) up to 107 cm-1 (lower-branch polariton).

Original language	English
Pages (from-to)	6161-6164
Number of pages	4
Journal	Physical Review B
Volume	28
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.28.6161
Publication status	Published - 1983 Jan 1

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ASJC Scopus subject areas

Condensed Matter Physics

Cite this

Takagahara, T., & Birman, J. L. (1983). Microscopic calculation of the wave-vector dependence of the third-order nonlinearity due to excitonic polaritons in CuCl. Physical Review B, 28(10), 6161-6164. https://doi.org/10.1103/PhysRevB.28.6161

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Access to Document

10.1103/PhysRevB.28.6161