Theory of nonlinear optical response of excitons in solid C-60

R Eder; A.M Janner; G.A Sawatzky

doi:10.1103/physrevb.53.12786

Theory of nonlinear optical response of excitons in solid C-60

R Eder^*
, A.M Janner
, G.A Sawatzky

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

24 Citations (Scopus)

Abstract

We present a theoretical study of the dispersion of Frenkel-type excitons in the low-temperature Pa(3) over bar phase of solid C-60. Exciton propagation is accomplished by an exchangelike two-step process, where an electron-hole pair on a given C-60 molecule is split by the intermolecular kinetic energy and recombines on a neighboring molecule. We apply our results to the theoretical calculation of the nonlinear optical susceptibility for second-harmonic generation, for which we find reasonable agreement with experiment.

Original language	English
Pages (from-to)	12786-12793
Number of pages	8
Journal	Physical Review B
Volume	53
Issue number	19
DOIs	https://doi.org/10.1103/physrevb.53.12786
Publication status	Published - 15-May-1996

Keywords

ABSORPTION-SPECTRA
C60

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Theory of nonlinear optical response of excitons in solid C-60
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abstract = "We present a theoretical study of the dispersion of Frenkel-type excitons in the low-temperature Pa(3) over bar phase of solid C-60. Exciton propagation is accomplished by an exchangelike two-step process, where an electron-hole pair on a given C-60 molecule is split by the intermolecular kinetic energy and recombines on a neighboring molecule. We apply our results to the theoretical calculation of the nonlinear optical susceptibility for second-harmonic generation, for which we find reasonable agreement with experiment.",

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AU - Eder, R

AU - Janner, A.M

AU - Sawatzky, G.A

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PY - 1996/5/15

Y1 - 1996/5/15

N2 - We present a theoretical study of the dispersion of Frenkel-type excitons in the low-temperature Pa(3) over bar phase of solid C-60. Exciton propagation is accomplished by an exchangelike two-step process, where an electron-hole pair on a given C-60 molecule is split by the intermolecular kinetic energy and recombines on a neighboring molecule. We apply our results to the theoretical calculation of the nonlinear optical susceptibility for second-harmonic generation, for which we find reasonable agreement with experiment.

AB - We present a theoretical study of the dispersion of Frenkel-type excitons in the low-temperature Pa(3) over bar phase of solid C-60. Exciton propagation is accomplished by an exchangelike two-step process, where an electron-hole pair on a given C-60 molecule is split by the intermolecular kinetic energy and recombines on a neighboring molecule. We apply our results to the theoretical calculation of the nonlinear optical susceptibility for second-harmonic generation, for which we find reasonable agreement with experiment.

KW - ABSORPTION-SPECTRA

KW - C60

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DO - 10.1103/physrevb.53.12786

M3 - Article

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VL - 53

SP - 12786

EP - 12793

JO - Physical Review B

JF - Physical Review B

IS - 19

ER -

Theory of nonlinear optical response of excitons in solid C-60

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