4 papers
Giant Thermal-Conductivity Enhancement from Chiral-Phonon Pseudo-Angular Momentum Conservation
Tingting Wang, Dabao Zha, Hao Chen +2
Pseudo-angular momentum (PAM) underlies optical selection rules for chiral phonons, but whether it also constrains thermally populated finite-wave-number phonon-phonon scattering h…
Topological metal-insulator transitions in one-dimensional non-Hermitian quasicrystals: beyond PT-symmetry
Guangjie Zhang, Bing Shao, Longwen Zhou +2
One-dimensional non-Hermitian quasicrystals with parity and time-reversal (PT) symmetry can simultaneously exhibit localization-delocalization transition, topological phase transit…
Lateral Shift as a Control Knob for Localization Transitions in a Quasiperiodic Ladder
Bing Shao, Guangjie Zhang, Longwen Zhou +2
This work reports rich localization-delocalization transitions in a quasiperiodic ladder, of which the two legs are subject to the same quasiperiodic onsite potential but can be sh…
Topological edge states at Floquet quantum criticality
Longwen Zhou, Jiangbin Gong, Xue-Jia Yu
Topologically protected edge states exactly at topological phase boundaries challenge the conventional belief that topological states must be associated with a bulk energy gap. Bec…