Spontaneous interlayer coherence in double-layer quantum Hall systems: Charged vortices and Kosterlitz-Thouless phase transitions

K Moon, H Mori, K Yang, SM Girvin, AH MacDonald… - Physical Review B, 1995 - APS
At strong magnetic fields, double-layer two-dimensional electron-gas systems can form an
unusual broken-symmetry state with spontaneous interlayer phase coherence. In this paper …

The quantum Hall effect: novel excitations and broken symmetries

SM Girvin - Aspects topologiques de la physique en basse …, 2002 - Springer
Abstract The Quantum Hall Effect (QHE) is one of the most remarkable condensed-matter
phenomena discovered in the second half of the 20 th century. It rivals superconductivity in …

Quantum ferromagnetism and phase transitions in double-layer quantum Hall systems

K Yang, K Moon, L Zheng, AH MacDonald, SM Girvin… - Physical review …, 1994 - APS
Double-layer quantum Hall systems have interesting properties associated with interlayer
correlations. At ν= 1/m where m is an odd integer they exhibit spontaneous symmetry …

Skyrme crystal in a two-dimensional electron gas

L Brey, HA Fertig, R Côté, AH MacDonald - Physical review letters, 1995 - APS
The ground state of a two-dimensional electron gas at Landau level filling factors near ν= 1
is a Skyrme crystal with long-range order in the positions and orientations of the …

Coulomb scattering lifetime of a two-dimensional electron gas

L Zheng, SD Sarma - Physical Review B, 1996 - APS
Motivated by a recent tunneling experiment in a double quantum-well system, which reports
an anomalously enhanced electronic scattering rate in a clean two-dimensional electron …

-Wave Paired Electron and Hole Composite Fermion Trial State for Quantum Hall Bilayers with

G Wagner, DX Nguyen, SH Simon, BI Halperin - Physical Review Letters, 2021 - APS
We introduce a new variational wave function for a quantum Hall bilayer at total filling ν T= 1,
which is based on s-wave BCS pairing between electron composite fermions in one layer …

Spontaneous interlayer coherence in double-layer quantum Hall systems: Symmetry-breaking interactions, in-plane fields, and phase solitons

K Yang, K Moon, L Belkhir, H Mori, SM Girvin… - Physical Review B, 1996 - APS
At strong magnetic fields double-layer two-dimensional–electron-gas systems can form an
unusual broken symmetry state with spontaneous interlayer phase coherence. The system …

Quantum-metric-enabled exciton condensate in double twisted bilayer graphene

X Hu, T Hyart, DI Pikulin, E Rossi - Physical Review B, 2022 - APS
Flat-band systems are a promising platform for realizing exotic collective ground states with
spontaneously broken symmetry because the electron-electron interactions dominate over …

Pseudospin anisotropy classification of quantum Hall ferromagnets

T Jungwirth, AH MacDonald - Physical Review B, 2000 - APS
Broken-symmetry ground states with uniform electron density are common in quantum Hall
systems when two Landau levels simultaneously approach the chemical potential at integer …

Chern-Simons Modified RPA-Eliashberg Theory of the Quantum Hall Bilayer

T Lotrič, SH Simon - Physical Review Letters, 2024 - APS
The ν= 1 2+ 1 2 quantum Hall bilayer has been previsously modeled using Chern-Simons-
RPA-Eliashberg (CSRPAE) theory to describe pairing between the two layers. However …