Many‐Body Effects in Resonantly Excited Dense Exciton Systems | Zendy

Schäfer W. | Zendy; Schuldt K.H. | Zendy; Treusch J. | Zendy

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Many‐Body Effects in Resonantly Excited Dense Exciton Systems

Author(s) -

Schäfer W.,

Schuldt K.H.,

Treusch J.

Publication year - 1988

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221470229

Subject(s) - excited state , exciton , non equilibrium thermodynamics , physics , pulse (music) , nonlinear system , limit (mathematics) , resonance (particle physics) , laser , many body theory , atomic physics , condensed matter physics , quantum mechanics , mathematics , voltage , mathematical analysis

The nonlinear optical properties of semiconductors, which are excited by a strong laser pulse at the excitonic resonance are investigated. The concepts to describe the time‐evolution of the initially coherently excited system in the framework of a nonequilibrium Green's function theory are discussed in general. Numerical results are presented for a quasistationary limit and compared with recent experimental data.

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