Controlling two-dimensional electron localization via phase-controlled absorption and gain in the three-coupled quantum wells

2014 ◽  
Vol 378 (3) ◽  
pp. 235-242 ◽  
Author(s):  
Tao Shui ◽  
Zhiping Wang ◽  
Benli Yu
Keyword(s):  
Quantum Wells ◽  
Electron Localization ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Coupled Quantum Wells

MANY-BODY EFFECTS IN FRICTIONAL DRAG BETWEEN COUPLED TWO-DIMENSIONAL ELECTRON SYSTEMS

1999 ◽  
Vol 13 (05n06) ◽  
pp. 469-478
Author(s):  
BEN YU-KUANG HU
Keyword(s):  
Quantum Wells ◽  
Quantitative Measure ◽  
Voltage Response ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Many Body ◽  
Frictional Drag ◽  
Electron Gases ◽  
Coupled Quantum Wells ◽  
Many Body Effects

Independently contacted coupled quantum wells separated by barriers which allow significant interlayer interactions but no tunneling have been fabricated. When current is passed through one layer, the interlayer interactions drag carriers in the second layer, resulting in a voltage response (for open circuits). The magnitude of the response gives a quantitative measure of the effective interlayer interactions and response functions of the system, and hence this is an excellent laboratory for the study of many-body phenomena in two-dimensional electron gases. We review the Boltzmann and Kubo formalisms for the theory of drag effects in coupled quantum wells and discuss three specific cases where many-body effects significantly affect the drag: (1) acoustic phonon-mediated drag, (2) large enhancements due to coupled plasmon modes, and (3) interplay of screening and Landau levels in large magnetic fields.

Effect of well thickness on the two-dimensional electron-hole system inAlxGa1−xSb/InAs quantum wells

1997 ◽  
Vol 55 (20) ◽  
pp. 13677-13681 ◽  
Author(s):  
Ikai Lo ◽  
Jih-Chen Chiang ◽  
Shiow-Fon Tsay ◽  
W. C. Mitchel ◽  
M. Ahoujja ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Electron Hole
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