Mode-resolved reciprocal space mapping of electron-phonon interaction in the Weyl semimetal candidate Td-WTe2

oleh: Petra Hein, Stephan Jauernik, Hermann Erk, Lexian Yang, Yanpeng Qi, Yan Sun, Claudia Felser, Michael Bauer

Format: Article
Diterbitkan: Nature Portfolio 2020-05-01

Deskripsi

It is predicted that topological phase transitions in quantum materials can be triggered by selective excitation of coherent phonons. Upon excitation of a shear mode, Hein et al. observe distinct perturbations of electronic Weyl semimetal fingerprints in Td-WTe2.