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Title

Surface State Charge Dynamics of a High-Mobility Three-Dimensional Topological Insulator

Authors
Brüne, Christoph
Novik, Elena
Astakhov, Georgy
Buhmann, Hartmut
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Published in Physical review letters. 2011, vol. 107, no. 13, 136803
Abstract We present a magneto-optical study of the three-dimensional topological insulator, strained HgTe, using a technique which capitalizes on advantages of time-domain spectroscopy to amplify the signal from the surface states. This measurement delivers valuable and precise information regarding the surface-state dispersion within <1  meV of the Fermi level. The technique is highly suitable for the pursuit of the topological magnetoelectric effect and axion electrodynamics.
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Article (Published version) (1.8 MB) - public document Free access
Structures
Research groups Groupe Kuzmenko
Groupe Van der Marel
Projects
Swiss National Science Foundation: 200020_135085
Swiss National Science Foundation: NCCR MaNEP
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(ISO format)
HANCOCK, Jason Neal et al. Surface State Charge Dynamics of a High-Mobility Three-Dimensional Topological Insulator. In: Physical review letters, 2011, vol. 107, n° 13, p. 136803. doi: 10.1103/PhysRevLett.107.136803 https://archive-ouverte.unige.ch/unige:23950

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Deposited on : 2012-11-12

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