Figure 2 (IMAGE)

The University of Hong Kong

Figure 2

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Figure 2. The honeycomb lattice model and phase diagram. (a) The Hamiltonian consists of two terms: the cluster charge operator Q, and the assisted hopping term T with alternating-sign structure. (b) The phase diagram contains two distinct insulating phases, i.e., the stripe phase for α < αc, and the QAH state for α > αc ≃ 0.12. (Image credit: Dr Bin-Bin CHEN)

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The University of Hong Kong

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