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Low field phase diagram of spin-Hall effect in the mesoscopic regime
Zhenhua Qiao, Wei Ren, Jian Wang +1
When a mesoscopic two dimensional four-terminal Hall cross-bar with Rashba and/or Dresselhaus spin-orbit interaction (SOI) is subjected to a perpendicular uniform magnetic field $B…
Universal spin-Hall conductance fluctuations in two dimensions
Wei Ren, Zhenhua Qiao, Jian Wang +2
We report a theoretical investigation on spin-Hall conductance fluctuation of disordered four terminal devices in the presence of Rashba or/and Dresselhaus spin-orbital interaction…
Persistent spin current in a spin-orbit coupling/normal hybrid ring
Qing-feng Sun, X. C. Xie, Jian Wang
We investigate the equilibrium property of a mesoscopic ring with spin orbit (SO) interaction. It is well known that for a normal mesoscopic ring threaded by a magnetic flux, the e…
Nature of Spin Hall Effect in a finite Ballistic Two-Dimensional System with Rashba and Dresselhaus spin-orbit interaction
Yanxia Xing, Qing-feng Sun, Jian Wang
The spin Hall effect in a finite ballistic two-dimensional system with Rashba and Dresselhaus spin-orbit interaction is studied numerically. We find that the spin Hall conductance…
Nonequilibrium current driven by a step voltage pulse: an exact solution
Joseph Maciejko, Jian Wang, Hong Guo
One of the most important problems in nanoelectronic device theory is to estimate how fast or how slow a quantum device can turn on/off a current. For an arbitrary noninteracting p…