Ideas of topology have been widely applied to electronic band structures. We have been exploring the application these ideas to phonon and other excitations.
- Giant phonon anomalies in the proximate Kitaev quantum spin liquid α-RuCl3Nature Communications 12, 3513 (2021)
- Observation of a chiral wave function in the twofold-degenerate quadruple Weyl system BaPtGePhys. Rev. B 103, 184301 (2021)
- Phononic Helical Nodal Lines with PT Protection in MoB2Phys. Rev. Lett. 123, 245302 (2019)
- Observation of double Weyl phonons in parity-breaking FeSiPhys. Rev. Lett. 121, 035302 (2018)[ANL Highlight]