160 citations · 569 across the 16 of their papers we have counts for
17 papers
Zoology of chiral superconductors in Chern bands
André Grossi Fonseca, Aidan Reddy, Ahmed Abouelkomsan +2
Evidence for chiral superconductivity has recently been observed in several van der Waals systems including rhombohedral multilayer graphene and twisted bilayer MoTe. In the la…
Quantum melting a Wigner crystal into Hall liquids
Aidan P. Reddy, Liang Fu
Recent experiments have shown that, counterintuitively, applying a magnetic field to a Wigner crystal can induce quantum Hall effects. In this Letter, we use variational Monte Carl…
Shining light on collective modes in moiré fractional Chern insulators
Nisarga Paul, Ahmed Abouelkomsan, Aidan Reddy +1
We show that collective excitations and optical responses of moiré fractional Chern insulators (FCIs) drastically differ from those of standard fractional quantum Hall (FQH) states…
Magnetic Hofstadter cascade in a twisted semiconductor homobilayer
Benjamin A. Foutty, Aidan P. Reddy, Carlos R. Kometter +4
Transition metal dichalcogenide moiré homobilayers have emerged as a platform in which magnetism, strong correlations, and topology are intertwined. In a large magnetic field, the…
Anti-topological crystal and non-Abelian liquid in twisted semiconductor bilayers
Aidan P. Reddy, D. N. Sheng, Ahmed Abouelkomsan +2
We show that electron crystals compete closely with non-Abelian fractional Chern insulators in the half-filled second moiré band of twisted bilayer MoTe. Depending on the twist…
Non-Abelian fractionalization in topological minibands
Aidan P. Reddy, Nisarga Paul, Ahmed Abouelkomsan +1
Motivated by the recent discovery of fractional quantum anomalous Hall states in moiré systems, we consider the possibility of realizing non-Abelian phases in topological minibands…
Quantum anomalous Hall crystal at fractional filling of moiré superlattices
D. N. Sheng, Aidan P. Reddy, Ahmed Abouelkomsan +2
We predict the emergence a state of matter with intertwined ferromagnetism, charge order and topology in fractionally filled moiré superlattice bands. Remarkably, these quantum ano…
Designing topology and fractionalization in narrow gap semiconductor films via electrostatic engineering
Tixuan Tan, Aidan P. Reddy, Liang Fu +1
We show that topological flat minibands can be engineered in a class of narrow gap semiconductor films using only an external electrostatic superlattice potential. We demonstrate t…
Wigner Molecular Crystals from Multi-electron Moiré Artificial Atoms
Hongyuan Li, Ziyu Xiang, Aidan P. Reddy +10
Semiconductor moiré superlattices provide a versatile platform to engineer new quantum solids composed of artificial atoms on moiré sites. Previous studies have mostly focused on t…
Fractional Quantum Anomalous Hall Effect in a Graphene Moire Superlattice
Zhengguang Lu, Tonghang Han, Yuxuan Yao +7
The fractional quantum anomalous Hall effect (FQAHE), the analog of the fractional quantum Hall effect1 at zero magnetic field, is predicted to exist in topological flat bands unde…
Band mixing in the quantum anomalous Hall regime of twisted semiconductor bilayers
Ahmed Abouelkomsan, Aidan P. Reddy, Liang Fu +1
Remarkable recent experiments have observed fractional quantum anomalous Hall (FQAH) effects at zero field and unusually high temperatures in twisted semiconductor bilayer MoTe$…
Toward a global phase diagram of the fractional quantum anomalous Hall effect
Aidan P. Reddy, Liang Fu
Recent experiments on the twisted semiconductor bilayer system MoTe have observed integer and fractional quantum anomalous Hall effects, which occur in topological moiré ban…
Zero-field composite Fermi liquid in twisted semiconductor bilayers
Hart Goldman, Aidan P. Reddy, Nisarga Paul +1
Recent experiments have produced evidence for fractional quantum anomalous Hall (FQAH) states at zero magnetic field in the semiconductor moiré superlattice system MoTe. Her…
Fractional quantum anomalous Hall states in twisted bilayer MoTe and WSe
Aidan P. Reddy, Faisal F. Alsallom, Yang Zhang +2
We demonstrate via exact diagonalization that AA-stacked TMD homobilayers host fractional quantum anomalous Hall (FQAH) states with fractionally quantized Hall conductance at fract…
Mapping twist-tuned multiband topology in bilayer WSe
Benjamin A. Foutty, Carlos R. Kometter, Trithep Devakul +5
Semiconductor moiré superlattices have been shown to host a wide array of interaction-driven ground states. However, twisted homobilayers have been difficult to study in the limit…
Artificial intelligence for artificial materials: moiré atom
Di Luo, Aidan P. Reddy, Trithep Devakul +1
Moiré engineering in atomically thin van der Waals heterostructures creates artificial quantum materials with designer properties. We solve the many-body problem of interacting ele…
Artificial atoms, Wigner molecules, and emergent Kagome lattice in semiconductor moiré superlattices
Aidan P. Reddy, Trithep Devakul, Liang Fu
Semiconductor moiré superlattices comprise an array of artificial atoms and provide a highly tunable platform for exploring novel electronic phases. We introduce a theoretical fram…