Electronic rotons and Wigner crystallites in a two-dimensional dipole liquid

S Park, M Huh, C Jozwiak, E Rotenberg, A Bostwick… - Nature, 2024 - nature.com
A key concept proposed by Landau to explain superfluid liquid helium is the elementary
excitation of quantum particles called rotons,,,,,,–. The irregular arrangement of atoms in a …

Impurity-induced thermal crossover in fractional Chern insulators

K Huang, SD Sarma, X Li - arxiv preprint arxiv:2409.04349, 2024 - arxiv.org
The recent experimental observation of fractional quantum anomalous Hall (FQAH) states in
rhombohedral multilayer graphene has attracted significant attention. One of the most …

Phase-modulation-induced reconfigurable rotating photonic lattices in atomic vapors

Y Shen, Y Huang, J Yuan, R He, S Ning, Z He, L Du… - Optics Letters, 2024 - opg.optica.org
We propose a method to prepare optically induced rotating hexagonal and honey-comb
photonic lattices by employing the phase modulated three-beam interference in atomic …

Magnetorotons in Moir\'e Fractional Chern Insulators

X Shen, C Wang, X Hu, R Guo, H Yao, C Wang… - arxiv preprint arxiv …, 2024 - arxiv.org
We perform a comprehensive study of the intraband neutral excitations in fractional Chern
insulators (FCIs) within moir\'e flatband systems, particularly focusing on the twisted …

Vestigial Gapless Boson Density Wave Emerging between Fractional Chern Insulator and Finite-Momentum Supersolid

H Lu, HQ Wu, BB Chen, ZY Meng - arxiv preprint arxiv:2408.07111, 2024 - arxiv.org
The roton-triggered charge-density-wave (CDW) is widely studied in fractional quantum Hall
(FQH) and fractional Chern insulator (FCI) systems, and there also exist field theoretical and …

Universal collective Larmor-Silin mode emerging in magnetized correlated Dirac fermions

C Chen, Y Da Liao, C Zhou, G Pan, ZY Meng, Y Qi - Physical Review B, 2024 - APS
Employing large-scale quantum Monte Carlo simulations, we find that in the magnetized
interacting Dirac fermion model there emerges a universal collective Larmor-Silin spin wave …