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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…
Exact holographic mapping in free fermion systems
Ching Hua Lee, Xiao-Liang Qi
In this paper, we shall perform a detailed analysis of the Exact Holographic Mapping first introduced in arXiv:1309.6282, which was proposed as an explicit example of holographic d…
Negative differential resistance and characteristic nonlinear electromagnetic response of a Topological Insulator
Ching Hua Lee, Xiao Zhang, Bochen Guan
Materials exhibiting negative differential resistance have important applications in technologies involving microwave generation, which range from motion sensing to radio astronomy…
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…