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Helical Edge Modes near Transition to Topological Insulator with Indirect Gap
topological insulator edge mode indirect gap particle-hole symmetry semimetal annihilator
2010/11/19
Helical edge modes are characteristic of topological insulators in two dimensions. This paper
demonstrates that helical edge modes remain across transitions to ordinary insulators or to semimetals un...
Pseudopotential-Based Full Zone k . p Technique for Indirect Bandgap Semiconductors: Si, Ge, Diamond and SiC
Band structure indirect bandgap semiconductors pseudopotentials
2010/4/9
The k . p is a versatile technique that describes the semiconductor band structure in the vicinity of the bandgap. The technique can be extended to full Brillouin zone by including more coupled bands ...