Natural three-qubit interactions in one-way quantum computing
Journal Article
·
· Physical Review. A
- School of Mathematics and Physics, The Queen's University, Belfast BT7 1NN (United Kingdom)
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT (United Kingdom)
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.
- OSTI ID:
- 20974525
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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