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Title: High-field Zeeman contribution to the trion binding energy
Authors: Vanhoucke, Tony ×
Hayne, Manus
Henini, M
Moshchalkov, Victor #
Issue Date: 2002
Publisher: AMERICAN PHYSICAL SOC
Series Title: Physical review. B, Condensed matter and materials physics vol:65 issue:4
Conference: date:Katholieke Univ Leuven, Vaste Stof Fys Magnetisme Lab, B-3001 Louvain, Belgium; Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England
Abstract: We examine the role of the Zeeman interaction in determining the bound states of the trion at magnetic fields up to 50 T. Polarization-sensitive photoluminescence measurements on the singlet state of the positively charged trion (X+) in GaAs quantum wells demonstrate a 60% enhancement of the g factor compared to that of the neutral exciton (X-0) in the same sample. This leads to a situation in very high fields where the Zeeman splitting of X+ is sufficiently large to determine whether a state is bound or not, and so calls for a reexamination of what is meant by the binding energy of few particle systems.
ISSN: 2469-9950
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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