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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| Autores principales: | , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2016
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/3cd11c1c16894f0e9190bf9bbeea795a |
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| Sumario: | 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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