Conveners
3rd Block: Yayu Wang
- Eli Zeldov (Weizmann Institute of Science)
3rd Block: Mikito Koshino
- Eli Zeldov (Weizmann Institute of Science)
3rd Block: Xi Dai
- Eli Zeldov (Weizmann Institute of Science)
3rd Block: Jianpeng Liu
- There are no conveners in this block
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Mikito Koshino (Osaka University)
Recent advances in moiré materials have revealed that twisted structures provide a versatile platform for engineering electronic structures and emergent quantum phenomena through geometry alone. Beyond the extensively studied flat-band physics in simple bilayer moiré systems, recent developments in anisotropic and multilayer structures have opened qualitatively new directions in moiré quantum...
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Yayu Wang (Tsinghua University)
The quantum anomalous Hall effect (QAH) effect, characterized by quantized Hall resistance and vanishing longitudinal resistance at zero magnetic field, is a novel quantum phase of matter induced by the interplay between nontrivial band topology and spontaneous magnetic order. It has been realized in a wide variety of materials and heterostructures, and may have unique applications in...
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Prof. Xi Dai (Hong Kong University of Science and Technology)
We study strongly correlated superconductivity in magic-angle twisted bilayer graphene (MATBG) using a variational Gutzwiller wavefunction $\ket{\Psi_G} = \prod_{\vb{R}} \hat{P}_{\vb{R}}\ket{\Phi_0}$, where the Gutzwiller projector $\hat{P}_{\vb{R}}$ is allowed to break charge
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U(1) symmetry to accommodate superconducting (SC) order. The ground state energy is evaluated via the... -
Jianpeng Liu (Shanghai Science and Tech University)
In this talk, we discuss correlated topological states emerging in bilayer-graphene-based superlattices. First, we develop a beyond-mean-field theoretical framework to investigate Wigner crystallization in lightly doped rhombohedral multilayer graphene (RMG) [1]. Notably, we find that bilayer graphene may provide an ideal platform for realizing an exotic anomalous Hall crystal state, which is...
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