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Ultrafast evolution of bulk, surface and surface resonance states in photoexcited [Formula: see text]

We use circular dichroism (CD) in time- and angle-resolved photoemission spectroscopy (trARPES) to measure the femtosecond charge dynamics in the topological insulator (TI) [Formula: see text] . We detect clear CD signatures from topological surface states (TSS) and surface resonance (SR) states. In...

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Detalles Bibliográficos
Autores principales: Hedayat, Hamoon, Bugini, Davide, Yi, Hemian, Chen, Chaoyu, Zhou, Xingjiang, Cerullo, Giulio, Dallera, Claudia, Carpene, Ettore
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7921141/
https://www.ncbi.nlm.nih.gov/pubmed/33649414
http://dx.doi.org/10.1038/s41598-021-83848-z

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