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Bilder aus der Forschung des PGI-1/IAS-1

Aguilera-Electronic-States

Electronic states of a topological insulator
The figure shows a 3-dimensional representation of the surface states of a topological insulator. They form a so-called Dirac cone (red). The surface states connect to the bulk continuum (blue) via surface resonances (yellow). This calculation corresponds to a 15-quintuple layer slab of Sb2Te3. The theoretical method used includes renormalization effects due to electron-electron scattering within the GW approximation.
Copyright: Forschungszentrum Jülich
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