scholarly journals Spin dynamics of electrons in the first excited subband of a high-mobility low-density two-dimensional electron system

2009 ◽  
Vol 80 (19) ◽  
Author(s):  
Haihui Luo ◽  
Xuan Qian ◽  
Xuezhong Ruan ◽  
Yang Ji ◽  
Vladimir Umansky
Keyword(s):  
Spin Dynamics ◽  
High Mobility ◽  
Electron System ◽  
Low Density ◽  
Two Dimensional ◽  
Dimensional Electron ◽  
Dimensional Electron System

scholarly journals OSCILLATORY AND VANISHING RESISTANCE STATES IN MICROWAVE IRRADIATED 2D ELECTRON SYSTEMS

2004 ◽  
Vol 18 (27n29) ◽  
pp. 3465-3472 ◽  
Author(s):  
R. R. DU ◽  
M. A. ZUDOV ◽  
C. L. YANG ◽  
Z. Q. YUAN ◽  
L. N. PFEIFFER ◽  
...  
Keyword(s):  
High Frequency ◽  
High Mobility ◽  
Electron System ◽  
Two Dimensional ◽  
Electron Systems ◽  
Dimensional Electron ◽  
Dimensional Electron System ◽  
Zero Resistance ◽  
The Subject ◽  
Shubnikov De Haas Oscillations

Giant-amplitude oscillations in dc magnetoresistance of a high-mobility two-dimensional electron system can be induced by millimeterwave irradiations, leading to zero-resistance states at the oscillation minima. Following a brief overview of the now well-known phenomenon, this paper reports on aspects of more recent experiments on the subject. These are: new zero-resistance states associated with multi-photon processes; suppression of Shubnikov-de Haas oscillations by high-frequency microwaves; and microwave photoconductivity of a high-mobility two-dimensional hole system.

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