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Multiple scattering theory of quasiparticles on a topological insulator surface
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10.1063/1.3665254
/content/aip/journal/apl/99/23/10.1063/1.3665254
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/23/10.1063/1.3665254
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) The normalized differential (a) and the total (b)-(c) CSs for a single scatterer. In (a), the red (gray) and blue (dark gray) curves correspond to Δ = 0 meV and Δ = 50 meV, respectively, with . The curves in (b) and (c) correspond to Δ = 0 meV and Δ = 50 meV, respectively. The inset in (a) is a magnification of dΛ/ in the range [2π/3, 4π/3]; the dots indicate that backscattering is allowed (forbidden) when Δ ≠ 0 (Δ = 0). Values V 0 = 2 eV and a = 1 nm were chosen.

Image of FIG. 2.
FIG. 2.

(Color online) Similar to Fig. 1 but for two identical scatterers separated by distance d = 6 nm on a TI surface with point scatterers at r 1 = (−3,0) and r 2 = (3,0). Values for the other parameters are the same as in Fig. 1.

Image of FIG. 3.
FIG. 3.

(Color online) Total cross-section for three-impurity scatterers. The black (red dashed) curves are results from the numerical integration (optical theorem). Values of Δ = 0 and l max = 5 were chosen in calculations.

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/content/aip/journal/apl/99/23/10.1063/1.3665254
2011-12-07
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multiple scattering theory of quasiparticles on a topological insulator surface
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/23/10.1063/1.3665254
10.1063/1.3665254
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