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Fermi edge singularities for excitons created in front of a metal

By Monique Combescot, Odile Betbeder-Matibet and Bernard Roulet

Abstract

International audienceWe predict significant changes in the absorption spectrum of excitons created close to a metal. These changes, which include shifts, splittings and tails on the high-energy sides, result from many-body interactions between the metal Fermi sea and the suddenly photocreated electron-hole pair. They have thus the same origin as Fermi edge singularities. Similar changes are expected in the optical transitions of atoms trapped close to a metallic mirror

Topics: 71.10.Ca; 71.35.-y; 71.45.-d
Publisher: European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing
Year: 2002
DOI identifier: 10.1209/epl
OAI identifier: oai:HAL:hal-00002596v1
Provided by: Hal-Diderot
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