Polaron signatures in the line shape of semiconductor ;intersubband transitions: quantum kinetics of the electron–phonon interaction | Zendy

Butscher S. | Zendy; Förstner J. | Zendy; Waldmüller I. | Zendy; Knorr A. | Zendy

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Polaron signatures in the line shape of semiconductor ;intersubband transitions: quantum kinetics of the electron–phonon interaction

Author(s) -

Butscher S.,

Förstner J.,

Waldmüller I.,

Knorr A.

Publication year - 2004

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.200409053

Subject(s) - polaron , phonon , condensed matter physics , physics , line (geometry) , semiconductor , scattering , resonance (particle physics) , electron , quantum , atomic physics , quantum mechanics , geometry , mathematics

We present a theory of the optical line shape of coherent intersubband transitions in a semiconductor quantum well, considering non‐Markovian LO‐phonon scattering as major broadening mechanism. We show that a quantum kinetic approach leads to additional polaron resonances and a resonance enhancement for gap energies close to the phonon energy. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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