Wigner crystals in flat band 2D electron systems

M Shayegan - Nature Reviews Physics, 2022‏ - nature.com
Wigner crystals—ordered arrays of electrons—have been recently found in various 2D
materials, but the first studies of these crystals in 2D electron systems (2DESs) date back …

Anisotropic two-dimensional disordered Wigner solid

MS Hossain, MK Ma, KA Villegas-Rosales, YJ Chung… - Physical review …, 2022‏ - APS
The interplay between the Fermi sea anisotropy, electron-electron interaction, and
localization phenomena can give rise to exotic many-body phases. An exciting example is …

Composite fermion pairing induced by Landau level mixing

T Zhao, AC Balram, JK Jain - Physical review letters, 2023‏ - APS
Pairing of composite fermions provides a possible mechanism for fractional quantum Hall
effect at even denominator fractions and is believed to serve as a platform for realizing …

Chiral pseudospin liquids in moiré heterostructures

C Kuhlenkamp, W Kadow, A Imamoğlu, M Knap - Physical Review X, 2024‏ - APS
We propose multilayer moiré structures in strong external magnetic fields as a novel platform
for realizing highly tunable, frustrated Hubbard physics with topological order. Identifying the …

Quantum melting of generalized Wigner crystals in transition metal dichalcogenide moiré systems

Y Zhou, DN Sheng, EA Kim - Physical Review Letters, 2024‏ - APS
The generalized Wigner crystal (GWC) is a novel quantum phase of matter driven by further-
range interaction at fractional fillings of a lattice. The role of further-range interaction as the …

Evidence for Topological Protection Derived from Six-Flux Composite Fermions

H Huang, W Hussain, SA Myers, LN Pfeiffer… - Nature …, 2024‏ - nature.com
The composite fermion theory opened a new chapter in understanding many-body
correlations through the formation of emergent particles. The formation of two-flux and four …

Particle-hole symmetry and the reentrant integer quantum Hall Wigner solid

V Shingla, SA Myers, LN Pfeiffer, KW Baldwin… - Communications …, 2021‏ - nature.com
The interplay of strong Coulomb interactions and of topology is currently under intense
scrutiny in various condensed matter and atomic systems. One example of this interplay is …

Develo** fractional quantum Hall states at and in the presence of significant Landau-level mixing

SK Singh, A Gupta, PT Madathil, C Wang, KW Baldwin… - Physical Review B, 2024‏ - APS
Termination of the fractional quantum Hall states (FQHSs) and the emergence of Wigner
crystal phases at very small Landau-level filling factors (ν) have been of continued interest …

Thermal activation signatures of the Anderson insulator and the Wigner solid forming near

SA Myers, H Huang, W Hussain, LN Pfeiffer… - Physical Review …, 2024‏ - APS
When interactions overcome disorder, integer quantum Hall plateaus support topological
phases with different bulk insulators. In the center of the ν= 1 plateau the bulk is an …

Collective tunneling of a Wigner necklace in carbon nanotubes

D Szombathy, MA Werner, CP Moca, Ö Legeza… - Physical Review B, 2024‏ - APS
The collective tunneling of a Wigner necklace—a crystal-like state of a small number of
strongly interacting electrons confined to a suspended nanotube and subject to a double …