Hole crystallization in semiconductors

Details Hole crystallization in semiconductors Hole crystallization in semiconductors

2005-12-16

arxiv.org/abs/cond-mat/0512376v1

J. Phys. A: Math. Gen. 39, 4717 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

accepted for publication in J. Phys. A: Math. Gen

Scientific paper

10.1088/0305-4470/39/17/S63

When electrons in a solid are excited to a higher energy band they leave behind a vacancy (hole) in the original band which behaves like a positively charged particle. Here we predict that holes can spontaneously order into a regular lattice in semiconductors with sufficiently flat valence bands. The critical hole to electron effective mass ratio required for this phase transition is found to be of the order of 80.

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