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5 papers · 2 filters
Ground state and edge excitations of quantum Hall liquid at filling factor 2/3
Zi-Xiang Hu, Hua Chen, Kun Yang +2
We present a numerical study of fractional quantum Hall liquid at Landau level filling factor in a microscopic model including long-range Coulomb interaction and edge confi…
Tunneling spin current and spin diode behavior in bilayer system
Pei-Qing Jin, You-Quan Li
The coherent tunneling spin current in the bilayer system with spin-orbit coupling is investigated. Based on the continuity-like equations, we discuss the definition of the tunneli…
Understanding spin transport from the motion in SU(2)U(1) fields
Pei-Qing Jin, You-Quan Li
Starting from a continuum constituted by charged tops, we formulate the classical counterpart of a previously obtained covariant continuity-like equation for the spin current. Such…
Constructing Functional Braids for Low-Leakage Topological Quantum Computing
Haitan Xu, Xin Wan
We discuss how to significantly reduce leakage errors in topological quantum computation by introducing an irrelevant error in phase, using the construction of a CNOT gate in the F…
Spin dynamics of two-dimensional electrons with Rashba spin-orbit coupling and electron-electron interactions
Yuan Li, You-Quan Li
We study the spin dynamics of two dimensional electron gases (2DEGs) with Rashba spin-orbit coupling by taking account of electron-electron interactions. The diffusion equations fo…