Manipulating Weyl quasiparticles by orbital-selective photoexcitation in WTe2

Photoexcitation in Weyl semimetals is recently reported to induce topological phase transitions useful for ultrafast switching devices. Here, the authors predict that the symmetry of the atomic orbitals comprising the Weyl bands in response to linear light polarization allows for not only annihilati...

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Autores principales: Meng-Xue Guan, En Wang, Pei-Wei You, Jia-Tao Sun, Sheng Meng
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/aa7b1daf16e44ff08a76ff38b0b2813c
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Sumario:Photoexcitation in Weyl semimetals is recently reported to induce topological phase transitions useful for ultrafast switching devices. Here, the authors predict that the symmetry of the atomic orbitals comprising the Weyl bands in response to linear light polarization allows for not only annihilation but also separation of Weyl quasiparticles.