Geodesic
Quasi-Relativism, the Narrow-Gap Property, and Forced Electron Dynamics in Solids
Teoretičeskaâ i matematičeskaâ fizika, Tome 131 (2002) no. 1, pp. 72-83 
B. S. Pavlov; A. A. Pokrovski; A. V. Strepetov. Quasi-Relativism, the Narrow-Gap Property, and Forced Electron Dynamics in Solids. Teoretičeskaâ i matematičeskaâ fizika, Tome 131 (2002) no. 1, pp. 72-83. http://geodesic.mathdoc.fr/item/TMF_2002_131_1_a6/
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Voir la notice de l'article provenant de la source Math-Net.Ru

Narrow-gap semiconductors, used in quantum network engineering, are characterized by small effective electron masses on the Fermi level and hence by high electron mobility in the lattice. We construct an explicitly solvable model that clarifies one possible mechanism for small effective masses to appear. Another mathematical model constructed here describes a possible mechanism for using a traveling wave to control an alternating quantum current in a one-dimensional lattice.

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