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Exciton-polaritons in halfspace

Title data

Victor, K. ; Axt, Vollrath M. ; Stahl, Arne:
Exciton-polaritons in halfspace.
In: Zeitschrift für Physik B Condensed Matter. Vol. 92 (1993) Issue 1 . - pp. 35-41.
ISSN 1431-584X
DOI: https://doi.org/10.1007/BF01309164

Abstract in another language

A rigorous method is presented describing the coupling between an exciton polariton in a halfspace semiconductor and the external driving field. The method is based on density matrix theory. It allows to consider realistic electron-hole interactions, spatial dispersion and extrinsic surface potentials. Without invoking additional boundary conditions or an artificial subdivision of the semiconductor it is shown that the influence of the surface can be isolated from the bulk behaviour. This is accomplished by a symmetric continuation of the restricted configuration space to bulk geometry inspired by the image source method in electrostatics. As a demonstration the solution is worked out for a simplified polariton model. The results are compared with other theories and with experimental reflection spectra.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Excitons; Polaritons; ABC-Problem
Institutions of the University: 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
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: 16 Oct 2017 08:10
Last Modified: 16 Oct 2017 08:10
URI: https://eref.uni-bayreuth.de/id/eprint/40007