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Signatures of Two-Pair Correlations after Simultaneous Excitation of Excitons and Free Electron–Hole Pairs in a Quantum Wire

Title data

Wühr, J. ; Axt, Vollrath M. ; Siantidis, K. ; Kuhn, Tilmann:
Signatures of Two-Pair Correlations after Simultaneous Excitation of Excitons and Free Electron–Hole Pairs in a Quantum Wire.
In: Physica Status Solidi A. Vol. 190 (2002) Issue 3 . - pp. 775-779.
ISSN 1521-396X
DOI: https://doi.org/10.1002/1521-396X(200204)190:3<775::AID-PSSA775>3.0.CO;2-W

Project information

Project financing: Deutsche Forschungsgemeinschaft
European Commission TMR network Ultrafast Quantum Optoelectronics

Abstract in another language

The impact of all kinds of two-pair correlations (biexcitons, exciton–exciton scattering states, two free electron–hole pairs) on four-wave-mixing (FWM) signals generated by ultra-short optical pulses that simultaneously excite excitons and free electron–hole pairs is analyzed. Calculations accounting non-perturbatively for the Coulomb interaction are compared with the Born approximation (BA) and mean-field (MF) results. Thereby signatures of two-pair correlations are identified as well as qualitative differences between microscopic scattering theories and phenomenological treatments of pair relaxations.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: two-pair correlations; exciton-exciton continuum correaltions; biexcitons; dynamics controlled trauncation; non-linear optics; ultrafast dynamics; free electron hole pairs; four-wave mixing; quantum wire
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 18 Oct 2017 08:59
Last Modified: 18 Oct 2017 08:59
URI: https://eref.uni-bayreuth.de/id/eprint/40067