Finite size effects on the quantum spin Hall state in HgTe quantum wells under two different types of boundary conditions
Cheng Zhi, Chen Rui, Zhou Bin†
Finite size effects on the quantum spin Hall state in HgTe quantum wells under two different types of boundary conditions |
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Cheng Zhi, Chen Rui, Zhou Bin†
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| Energy spectra of the HgTe QW with a symmetric geometry. The width L of the TI region is 1000 nm, and the width W of the NI region is (a) W = 0 nm; (b) W = 10 nm; (c) W = 20 nm; (d) W = 100 nm, respectively. Here the strengths R and Δ are assumed to be zero. |
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