1k citations · 7.1k across the 65 of their papers we have counts for
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Observation of higher-order topological states on a quantum computer
Jin Ming Koh, Tommy Tai, Ching Hua Lee
Programmable quantum simulators such as superconducting quantum processors and ultracold atomic lattices represent rapidly developing emergent technology that may one day qualitati…
Simulation of interaction-induced chiral topological dynamics on a digital quantum computer
Jin Ming Koh, Tommy Tai, Ching Hua Lee
Chiral edge states are highly sought-after as paradigmatic topological states relevant to both quantum information processing and dissipationless electron transport. Using supercon…
Topological corner modes in a brick lattice with nonsymmorphic symmetry
Yuhan Liu, Yuzhu Wang, Nai Chao Hu +3
The quest for new realizations of higher-order topological system has garnered much recent attention. In this work, we propose a paradigmatic brick lattice model where corner modes…
Mass enhancements and band shifts in strongly hole overdoped Fe-based pnictide superconductors: KFeAs and CsFeAs
S. -L. Drechsler, H. Rosner, V. Grinenko +11
The interplay of high and low-energy mass renormalizations with band-shifts reflected by the positions of van Hove singularities (VHS) in the normal state spectra of the highest ho…
Floquet Mechanism for Non-Abelian Fractional Quantum Hall States
Ching Hua Lee, Wen Wei Ho, Bo Yang +2
Three-body correlations, which arise between spin-polarized electrons in the first excited Landau level, are believed to play a key role in the emergence of enigmatic non-Abelian f…
Electromagnetic response of quantum Hall systems in dimensions five and six and beyond
Ching Hua Lee, Yuzhu Wang, Youjian Chen +1
Quantum Hall (QH) states are arguably the most ubiquitous examples of nontrivial topological order, requiring no special symmetry and elegantly characterized by the first Chern num…
Anisotropic Pseudopotential Characterization of Quantum Hall Systems under Tilted Magnetic Field
Bo Yang, Ching Hua Lee, Chi Zhang +1
We analytically derived the effective two-body interaction for a finite thickness quantum Hall system with a harmonic perpendicular confinement and an in-plane magnetic field. The…
Band structure engineering of ideal fractional Chern insulators
Ching Hua Lee, Martin Claassen, Ronny Thomale
As lattice analogs of fractional quantum Hall systems, fractional Chern insulators (FCIs) exhibit enigmatic physical properties resulting from the intricate interplay between singl…
Exact Mappings in Condensed Matter Physics
Ching Hua Lee
Condensed matter systems are complex yet simple. Amidst their complexity, one often find order specified by not more than a few parameters. Key to such a reductionistic description…
Holographic Topological Insulator
Ching Hua Lee
This research highlight (originally published at http://www.ntu.edu.sg/ias/newsletters/Documents/APPN/APPNv5n2May2016-lowres.pdf) introduces recent developments in Topological Insu…
Generalized Pseudopotentials for the Anisotropic Fractional Quantum Hall Effect
Bo Yang, Zi-Xiang Hu, Ching Hua Lee +1
We generalize the notion of Haldane pseudopotentials to anisotropic fractional quantum Hall (FQH) systems which are physically realized, e.g., in tilted magnetic field experiments…
Band flatness optimization through complex analysis
Ching Hua Lee, Daniel P. Arovas, Ronny Thomale
Narrow band electron systems are particularly likely to exhibit correlated many-body phases driven by interaction effects. Examples include magnetic materials, heavy fermion system…
Position-Momentum Duality and Fractional Quantum Hall Effect in Chern Insulators
Martin Claassen, Ching Hua Lee, Ronny Thomale +2
We develop a first quantization description of fractional Chern insulators that is the dual of the conventional fractional quantum Hall (FQH) problem, with the roles of position an…
Geometric construction of Quantum Hall clustering Hamiltonians
Ching Hua Lee, Zlatko Papić, Ronny Thomale
Many fractional quantum Hall wave functions are known to be unique and highest-density zero modes of certain "pseudopotential" Hamiltonians. Examples include the Read-Rezayi series…
Position momentum Duality in the Entanglement Spectrum of Free Fermions
Ching Hua Lee, Peng Ye, Xiao-Liang Qi
We propose an exact equivalence between the entanglement spectra of two completely different free-fermion systems at zero temperature. This equivalence follows from a position-mome…
Lattice construction of pseudopotential Hamiltonians for Fractional Chern Insulators
Ching Hua Lee, Xiao-Liang Qi
Fractional Chern insulators are new realizations of fractional quantum Hall states in lattice systems without orbital magnetic field. These states can be mapped onto conventional f…
Pseudopotential Formalism for Fractional Chern Insulators
Ching Hua Lee, Ronny Thomale, Xiao-Liang Qi
Recently, generalizations of fractional quantum Hall (FQH) states known as fractional quantum anomalous Hall or, equivalently, fractional Chern insulators states have been realized…
Charge-Density-Wave Ordering in the Metal-Insulator Transition Compound PrRu4P12
C. H. Lee, H. Matsuhata, H. Yamaguchi +5
X-ray and electron diffraction measurements on the metal-insulator (M-I) transition compound PrRuP have revealed the emergence of a periodic ordering of charge density a…