6 papers
Phonon collapse and anharmonic melting of the 3D charge-density wave in kagome metals
Martin Gutierrez-Amigo, ÃorÄe DangiÄ, Chunyu Guo +4
The charge-density wave (CDW) mechanism and resulting structure of the AV3Sb5 family of kagome metals has posed a puzzling challenge since their discovery four years ago. In fact,…
Tunable decoupling of coexisting magnetic orders in CoTaS
Yining Hu, Zili Feng, Takashi Kurumaji +3
In multiferroics, new physical responses and functionalities emerge when symmetry-distinct order parameters couple. This conventionally occurs when lattice and magnetic degrees of…
Symmetry-broken ground state and phonon mediated superconductivity in Kagome CsVSb
Manex Alkorta, Martin Gutierrez-Amigo, ÃorÄe DangiÄ +4
The newly discovered family of non-magnetic Kagome metals AVSb (A=K,Rb,Cs) provides a unique platform for exploring the interplay between charge density wave (CDW) order, s…
Putative excitonic insulating state in narrow-gap semiconductor LaCdAs
Caitlin S. Kengle, Noah Schnitzer, Elizabeth A. Peterson +8
Excitonic insulators are electronically-driven phases of matter characterized by the spontaneous condensation of electron-hole pairs. Here we show that LaCdAs undergoes…
Long-range electron coherence in Kagome metals
Chunyu, Guo, Kaize Wang +17
The wave-like nature of electrons lies at the core of quantum mechanics, distinguishing them from classical particles. Landmark experiments have revealed phase coherence of mobile…
Transverse voltage in anisotropic hydrodynamic conductors
Kaize Wang, Chunyu Guo, Philip J. W. Moll +1
Weak momentum dissipation in ultra-clean metals gives rise to novel non-Ohmic current flow, including ballistic and hydrodynamic regimes. Recently, hydrodynamic flow has attracted…