Recent developments in fractional Chern insulators

Z Liu, EJ Bergholtz - arXiv preprint arXiv:2208.08449, 2022 - arxiv.org
Fractional Chern insulators (FCIs) are lattice generalizations of the conventional fractional
quantum Hall effect (FQHE) in two-dimensional (2D) electron gases. They typically arise in a …

Local readout and control of current and kinetic energy operators in optical lattices

A Impertro, S Karch, JF Wienand, SJ Huh… - Physical Review Letters, 2024 - APS
Quantum gas microscopes have revolutionized quantum simulations with ultracold atoms,
allowing one to measure local observables and snapshots of quantum states. However …

Realization of fractional quantum Hall state with interacting photons

C Wang, FM Liu, MC Chen, H Chen, XH Zhao, C Ying… - Science, 2024 - science.org
Fractional quantum Hall (FQH) states are known for their robust topological order and
possess properties that are appealing for applications in fault-tolerant quantum computing …

Cold-Atom Elevator: From Edge-State Injection to the Preparation of Fractional Chern Insulators

B Wang, M Aidelsburger, J Dalibard, A Eckardt… - Physical review …, 2024 - APS
Optical box traps offer new possibilities for quantum-gas experiments. Building on their
exquisite spatial and temporal control, we propose to engineer system-reservoir …

Growing extended Laughlin states in a quantum gas microscope: A patchwork construction

FA Palm, J Kwan, B Bakkali-Hassani, M Greiner… - Physical Review …, 2024 - APS
The study of fractional Chern insulators and their exotic anyonic excitations poses a major
challenge in current experimental and theoretical research. Quantum simulators, in …

Snapshot-based detection of Laughlin states: Coupled chains and central charge

FA Palm, S Mardazad, A Bohrdt, U Schollwöck… - Physical Review B, 2022 - APS
Experimental realizations of topologically ordered states of matter, such as fractional
quantum Hall states, with cold atoms are now within reach. In particular, optical lattices …

Detecting hidden order in fractional Chern insulators

F Pauw, FA Palm, U Schollwöck, A Bohrdt… - Physical Review …, 2024 - APS
Topological phase transitions go beyond Ginzburg and Landau's paradigm of spontaneous
symmetry breaking and occur without an associated local order parameter. Instead, such …

Edge mode spectroscopy of fractional Chern insulators

F Binanti, N Goldman, C Repellin - 2023 - hal.science
The exploration of atomic fractional quantum Hall (FQH) states is now within reach in
opticallattice experiments. While bulk signatures have been observed in a system realizing …

Fractional quantum anomalous Hall phase for Raman superarray of Rydberg atoms

TFJ Poon, XC Zhou, BZ Wang… - Advanced Quantum …, 2024 - Wiley Online Library
Rydberg atom arrays offer promising platforms for quantum simulation of correlated quantum
matter and raise great interests. This work proposes a novel stripe‐lattice model with …

Cavity-based reservoir engineering for Floquet-engineered superconducting circuits

F Petiziol, A Eckardt - Physical Review Letters, 2022 - APS
Considering the example of superconducting circuits, we show how Floquet engineering
can be combined with reservoir engineering for the controlled preparation of target states …