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Electron resonance-transmission through a driven quantum well with spin-orbit coupling
Zhang CunXi 1 *,Wang Rui 2,Nie Yihang 3,Liang Jiuqing 3
1.Institute of Theoretical Physics, Shanxi University, Taiyuan, Shanxi 030006, China
2.Physical department of Zhejiang Ocean University
3.Institute of Theoretical Physics, Shanxi University
*Correspondence author
#Submitted by
Subject:
Funding: NNSF，Shanxi NSF，SRFDP（No.10475053，20051002，20040108007）
Opened online:24 January 2008
Accepted by: none
Citation: Zhang CunXi ,Wang Rui,Nie Yihang.Electron resonance-transmission through a driven quantum well with spin-orbit coupling[OL]. [24 January 2008] http://en.paper.edu.cn/en_releasepaper/content/18328
 
 
We study the spin-dependent electron transmission through a quantum well driven by both dipole-type and homogeneous oscillating fields. The numerical evaluations show that Dresselhaus spin-orbit coupling induces the splitting of asymmetric Fano-type resonance peaks in the conductivity, in which the dipole modulation and the homogeneous modulation are equivalent. Therefore we predict that the dipole-type oscillation, which is more practical in the experimental setup, can be used to realize the tunable spin filters by adjusting the field oscillation-frequency and the amplitude as well.
Keywords:Fano resonance, Floquet channel, spin-orbit coupling
 
 
 

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