Abstract
The Brief Report is analyzing bulk spin (moment) currents and spin (moment) accumulation at edges of a two-dimensional topological insulator taking into account reflection from edges. Accumulation occurs only at edge states, which distinguish topological insulators from conventional ones. The band continuum can support the transverse bulk spin (moment) current but it is not governed by the topological Chern number and may exist in a conventional insulator. There is no edge accumulation related with bulk spin (moment) currents.
| Original language | English |
|---|---|
| Article number | 113307 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 82 |
| Issue number | 11 |
| DOIs | |
| State | Published - 15 Sep 2010 |
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