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Quantum ratchet in two-dimensional semiconductors with Rashba spin-orbit interaction

Ratchet is a device that produces direct current of particles when driven by an unbiased force. We demonstrate a simple scattering quantum ratchet based on an asymmetrical quantum tunneling effect in two-dimensional electron gas with Rashba spin-orbit interaction (R2DEG). We consider the tunneling o...

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Bibliographic Details
Main Authors: Ang, Yee Sin, Ma, Zhongshui, Zhang, Chao
Format: Online Article Text
Language:English
Published: Nature Publishing Group 2015
Subjects:
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4297965/
https://www.ncbi.nlm.nih.gov/pubmed/25598490
http://dx.doi.org/10.1038/srep07872