Theory of the optical stark effect in semiconductors

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作者
Schaefer, W. [1 ]
Schuldt, K.-H. [1 ]
Binder, R. [1 ]
机构
[1] KFA, Germany
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Laser Beams--Absorption - Laser Pulses - Spectroscopy; Absorption--Laser Applications;
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摘要
The light-induced changes of the properties of a semiconductor caused by an ultra-short strong laser pulse with a central frequency well below the fundamental absorption edge are investigated. Renormalization and time evolution of one- and two-particle properties are discussed using a nonequilibrium Green's function formalism. Numerical results for the absorption spectra are presented.
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页码:407 / 412
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