Nonlinear optical observation of coherent acoustic Dirac plasmons in thin-film topological insulators
Coherent acoustic plasmons in time-domain measurements are rarely observed due to Landau damping. Here, Glinka et al. use transient second-harmonic generation to observe coherent acoustic Dirac plasmon modes survived in indirectly opposite-surface coupled Bi2Se3films due to Dirac fermion tunnelling.
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| Auteurs principaux: | , , , , |
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| Format: | article |
| Langue: | EN |
| Publié: |
Nature Portfolio
2016
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| Sujets: | |
| Accès en ligne: | https://doaj.org/article/3cd11c1c16894f0e9190bf9bbeea795a |
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