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Topological invariants of time-reversal-invariant band structures

✍ Scribed by Moore, J.; Balents, L.

Book ID
111938747
Publisher
The American Physical Society
Year
2007
Tongue
English
Weight
120 KB
Volume
75
Category
Article
ISSN
1098-0121

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Topological invariants of time-reversal-
Topological invariants of time-reversal-invariant band structures
✍ Moore, J.; Balents, L. πŸ“‚ Article πŸ“… 2007 πŸ› The American Physical Society 🌐 English βš– 120 KB

The topological invariants of a time-reversal-invariant band structure in two dimensions are multiple copies of the Z 2 invariant found by Kane and Mele. Such invariants protect the "topological insulator" phase and give rise to a spin Hall effect carried by edge states. Each pair of bands related b