Coherently manipulating flying qubits in a quantum wire with a magnetic impurity

Details Coherently manipulating flying qubits in a quantum wire with a magnetic impurity Coherently manipulating flying qubits in a quantum wire with a magnetic impurity

2010-03-17

arxiv.org/abs/1003.3318v2

Eur. Phys. J. D 74, 373 (2010)

Physics

Quantum Physics

6 pages, 5 figures

Scientific paper

e study the effect of a magnetic impurity with spin-half on a single propagating electron in a one-dimensional model system via the tight-binding approach. Due to the spin-dependent interaction, the scattering channel for the flying qubit is split, and its transmission spectrum is obtained. It is found that, the spin orientation of the impurity plays the role as a spin state filter for a flying qubit.

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