Universal quantum computation with quantum-dot cellular automata in decoherence-free subspace

Z. Y. Xu, M. Fenga, Wei-Min Zhang

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

We investigate the possibility to have electron-pairs in decoherence-free subspace (DFS), by means of the quantum-dot cellular automata (QCA) and single-spin rotations, to deterministically carry out a universal quantum computation with high-fidelity. We show that our QCA device with electrons tunneling in two dimensions is very suitable for DFS encoding, and argue that our design favors a scalable quantum computation robust to collective dephasing errors.

原文English
頁(從 - 到)977-986
頁數10
期刊Quantum Information and Computation
8
發行號10
出版狀態Published - 2008 十一月 1

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Statistical and Nonlinear Physics
  • Nuclear and High Energy Physics
  • Mathematical Physics
  • Physics and Astronomy(all)
  • Computational Theory and Mathematics

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