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Controllability of the wavefunction localization in an asymmetrical bi-periodic GaAs/AlAs superlattice

โœ Scribed by Kenji Kawashima; Kenzo Fujiwara


Book ID
114155878
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
179 KB
Volume
43-44
Category
Article
ISSN
0167-9317

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Dynamic localization leading to full sup
โœ S. Winnerl; E. Schomburg; J. Grenzer; H.-J Regl; A.A. Ignatov; K.F. Renk; D.P. P ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 139 KB

We demonstrate that a strong THz-field (3.9 THz) can lead to full supression of the dc current through a GaAs/AlAs superlattice that shows, at room temperature, negative differential conductance. The miniband width ( = 50 meV) was much larger than the quantum energy of the radiation (16 meV). Using