Natural three-qubit interactions in one-way quantum computing

Mark Tame, Mauro Paternostro, Myungshik Kim, V. Vedral

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We address the effects of natural three-qubit interactions on the computational power of one-way quantum computation. A benefit of using more sophisticated entanglement structures is the ability to construct compact and economic simulations of quantum algorithms with limited resources. We show that the features of our study are embodied by suitably prepared optical lattices, where effective three-spin interactions have been theoretically demonstrated. We use this to provide a compact construction for the Toffoli gate. Information flow and two-qubit interactions are also outlined, together with a brief analysis of relevant sources of imperfection.
Original languageEnglish
Article number022309
JournalPhysical Review A
Volume73
Issue number2
DOIs
Publication statusPublished - Feb 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

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