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arXiv quant-ph/0301089quant-phcond-mat
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半导体量子点中的非绝热几何量子门

Non-adiabatic geometrical quantum gates in semiconductor quantum dots

Paolo Solinas, Paolo Zanardi, Nino Zangh\`ı, Fausto Rossi

摘要:

本文研究了用半导体量子点实现非绝热几何量子门。讨论了利用激子自由度的不同量子信息编码/操纵方案。利用Aharanov-Anandan几何相位可以避免依赖绝热Berry相位的绝热方案的局限性,在原理上可以实现快速几何量子门

英文摘要:

In this paper we study the implementation of non-adiabatic geometrical quantum gates with in semiconductor quantum dots. Different quantum information enconding/manipulation schemes exploiting excitonic degrees of freedom are discussed. By means of the Aharanov-Anandan geometrical phase one can avoid the limitations of adiabatic schemes relying on adiabatic Berry phase; fast geometrical quantum gates can be in principle implemented

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