Title
Polariton formation in a microcavity with a doped quantum well : roles of the Fermi edge singularity and Anderson orthogonality catastrophe Polariton formation in a microcavity with a doped quantum well : roles of the Fermi edge singularity and Anderson orthogonality catastrophe
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
89(2014) :24 , 8 p.
ISSN
1098-0121
1550-235X
1098-0121
Article Reference
245301
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A theoretical investigation of the single-particle polariton properties for a microcavity embedding a charged quantum well is presented. The electron-gas optical susceptibility is calculated numerically using the method devised by Combescot and Nozieres [J. Phys. (Paris) 32, 913 (1971)]. The role of many-body effects, such as the Fermi edge singularity and Anderson orthogonality catastrophe, in the polariton formation is elucidated. By tuning the light-matter coupling the short-time behavior of the electron-gas response function is probed, and comparisons with earlier results only using the long-time response are made. Various single-particle polariton properties such as the Rabi splitting, line shape, Hopfield coefficients, and effective mass are discussed. These are experimentally accessible quantities and thus allow for a comparison with the presented theory.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/db8dc4/7732.pdf
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