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A transport model for a two-dimensional lateral-surface-superlattice

โœ Scribed by Marcos H. Degani; J.P. Leburton


Book ID
118364990
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
373 KB
Volume
263
Category
Article
ISSN
0039-6028

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๐Ÿ“œ SIMILAR VOLUMES


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A microscopic theory is presented for high-field miniband transport in a two-dimensional superlattice. The energy transfer to the lateral electron motion is taken into account as well as scattering on polar optical phonons. Oscillatory current anomalies appear when the optical phonon frequency is a

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We consider the instability of a two-dimensional Wigner crystal in a short-period lateral superlattice. To find instabilities, we calculate the phonon spectrum of the electron lattice deformed by a periodic potential. We show that one of the transverse modes of the deformed electron crystal becomes