Ultrafast charge ordering by self-amplified exciton–phonon dynamics in TiSe2

The physical origins of charge density waves in 1T-TiSe2 and their response to ultrafast excitation have long been a topic of theoretical and experimental debate. Here the authors present an ab initio theory that successfully captures the observed dynamics of charge density wave formation.

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Detalles Bibliográficos
Autores principales: Chao Lian, Sheng-Jie Zhang, Shi-Qi Hu, Meng-Xue Guan, Sheng Meng
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/bdd75c23c4454d71afb1a36c4d2ac73f
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Sumario:The physical origins of charge density waves in 1T-TiSe2 and their response to ultrafast excitation have long been a topic of theoretical and experimental debate. Here the authors present an ab initio theory that successfully captures the observed dynamics of charge density wave formation.