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Aharonov-Bohm oscillations in the local density of topological surface states
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10.1063/1.3669506
/content/aip/journal/apl/99/24/10.1063/1.3669506
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/24/10.1063/1.3669506
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Surface electronic interferometer, comprising a spin polarized STM tip at r and two impurities at r 1 and r 2, separately. The interference contributions in the LDOS are introduced by the electrons traveling along clockwise and anticlockwise loops enclosed by the STM tip and two impurities. The applied magnetic field affects this interference via the AB effect.

Image of FIG. 2.
FIG. 2.

(Color online) Simulations of the AB oscillations of the electronic LDOS in Bi2Te3(111) surface with fixed magnetic field B = 5 T (upper panels) and B = 10 T (lower panels). (a) The total LDOS patterns; (b) the spin-up component; (c) the spin-down component. The parameters are chosen as υ = 287 meV· nm, EF  = 250 meV (λF  = 7.21 nm), and d = 20 nm. The white dots denote the positions of adatoms. The periodic horizonal blue strips in patterns are signature of AB oscillations in LDOS.

Image of FIG. 3.
FIG. 3.

(Color online) Simulated STM maps of the AB oscillations of the LDOS for two identical impurities 20 nm apart on the Au(111) surface with a SOI constant γ = 40 meV· nm under B = 10 T. (a) The total LDOS pattern, (b) and (c) the spin-up and spin-down components, separately. The effective electron mass m* = 0.26m 0 and the Fermi wave length λF  = 3.74 nm have been chosen.

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/content/aip/journal/apl/99/24/10.1063/1.3669506
2011-12-14
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Aharonov-Bohm oscillations in the local density of topological surface states
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/24/10.1063/1.3669506
10.1063/1.3669506
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