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Spin-selective electron transfer in a quantum dot array
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DOI：10.1103/PhysRevB.97.045418.png)
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摘要
En 中文
We propose a spin-selective coherent electron transfer in a silicon quantum dot array. Oscillating magnetic fields and temporally controlled gate voltages are utilized to separate the electron wave function into different quantum dots depending on the spin state. We introduce a nonadiabatic protocol based on pi pulses and an adiabatic protocol which offer fast electron transfer and robustness against the error in the control-field pulse area, respectively. We also study a shortcut-to-adiabaticity protocol which compromises these two protocols. We show that this scheme can be extended to multielectron systems straightforwardly and used for nonlocal manipulations of electrons.
Keyword:
COHERENT POPULATION TRANSFER
STIMULATED RAMAN-SCATTERING
ADIABATIC PASSAGE
SILICON
QUBIT
ENTANGLEMENT
EXTENSION
SHORTCUTS
ATOMS
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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