Numerical Experiments on the Absorption Lineshape of the Exciton under Lattice Vibrations.II.The Average Oscillator Strength per State.
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概要
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We introduce the average oscillator strength per state (AOSPS) as the ratio ofthe exciton absorption lineshape and the density of exciton states at a given energy.The numerical investigation of the AOSPS spectra and their dependence ontemperature and dimensionality shows contrasting behaviour on the two sidesof the absorption peak. Unambiguously we can ascribe the high-energy side toindirect transitions and the low-energy tails to momentarily localized states withgiant oscillator strength. The calculated spectra of the participation ratio lendfurther support to this viewpoint.
- 社団法人日本物理学会の論文
- 1982-05-15
著者
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Toyozawa Yutaka
The Institute For Solid State Physics The University Of Tokyo
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Schreiber Michael
The Institute For Solid State Physics The University Of Tokyo:institut Fur Physik Universitat Dortmu
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Schreiber Michael
The Institute For Solid State Physics The University Of Tokyo:institut Fur Physik Universitat Dortmu
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