On the Possibility of Using Semiconductor Nanocolumns for the Realization of Quantum Bits

Details On the Possibility of Using Semiconductor Nanocolumns for the Realization of Quantum Bits On the Possibility of Using Semiconductor Nanocolumns for the Realization of Quantum Bits

2007-03-20

arxiv.org/abs/cond-mat/0703520v1

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

We propose the use of quantum dots formed in a semiconductor nanocolumn for the realization of charge or spin based quantum bits. The radial carrier confinement is achieved by employing conformal overgrowth, while multiple segmented gates are used to control the quantum dot properties. Different concepts for read-out and control are discussed. Furthermore, we assess which combinations of core nanowires and shell materials are feasible.

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