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6 papers · 1 filter
Resonant spin Hall conductance in quantum Hall systems lacking bulk and structural inversion symmetry
Shun-Qing Shen, Yun-Juan Bao, Michael Ma +2
Following a previous work [Shen, Ma, Xie and Zhang, Phys. Rev. Lett. 92, 256603 (2004)] on the resonant spin Hall effect, we present detailed calculations of the spin Hall conducta…
Automorphisms fixing a variable of K<x,y,z>
Vesselin Drensky, Jie-Tai Yu
We study automorphisms of the free associative algebra K<x,y,z> over a field K which fix z and such that the images of x, y are linear with respect to x, y. We prove that some of t…
Dynamically generated dimension reduction and crossover in a spin orbital model
Theja. N. De Silva, Michael Ma, Fu Chun Zhang
We study a spin orbital model in which the spin-spin interaction couples linearly to the orbital isospin. Fluctuations drive the transition from paramagnetic state to C type ordere…
A Comment on "Memory Effects in an Interacting Magnetic Nanoparticle System"
R. K. Zheng, X. X. Zhang
Recently, Sun et al reported that striking memory effects had been clearly observed in their new experiments on an interacting nanoparticle system [1]. They claimed that the phenom…
Conductance modulation in spin field-efect transistors under finite bias voltages
Liangbin Hu, Ju Gao, Shun-Qing Shen
The conductance modulations in spin field-effect transistors under finite bias voltages were studied. It was shown that when a finite bias voltage is applied between two terminals…
Resonant Spin Hall Conductance in Two-Dimensional Electron Systems with Rashba Interaction in a Perpendicular Magnetic Field
Shun-Qing Shen, Michael Ma, X. C. Xie +1
We study transport properties of a two-dimensional electron system with Rashba spin-orbit coupling in a perpendicular magnetic field. The spin orbit coupling competes with Zeeman s…