dorsal/arxiv
View SchemaPractical Implementations of Twirl Operations
| Authors | M. S. Anwar, L. Xiao, A. J. Short, J. A. Jones, D. Blazina, S. B. Duckett, H. A. Carteret |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0409142 |
| URL | https://arxiv.org/abs/quant-ph/0409142 |
| DOI | 10.1103/PhysRevA.71.032327 |
| Journal | Phys. Rev. A 71, 032327 (2005) |
Abstract
Twirl operations, which convert impure singlet states into Werner states, play an important role in many schemes for entanglement purification. In this paper we describe strategies for implementing twirl operations, with an emphasis on methods suitable for ensemble quantum information processors such as nuclear magnetic resonance (NMR) quantum computers. We implement our twirl operation on a general two-spin mixed state using liquid state NMR techniques, demonstrating that we can obtain the singlet Werner state with high fidelity.
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"abstract": "Twirl operations, which convert impure singlet states into Werner states,\nplay an important role in many schemes for entanglement purification. In this\npaper we describe strategies for implementing twirl operations, with an\nemphasis on methods suitable for ensemble quantum information processors such\nas nuclear magnetic resonance (NMR) quantum computers. We implement our twirl\noperation on a general two-spin mixed state using liquid state NMR techniques,\ndemonstrating that we can obtain the singlet Werner state with high fidelity.",
"arxiv_id": "quant-ph/0409142",
"authors": [
"M. S. Anwar",
"L. Xiao",
"A. J. Short",
"J. A. Jones",
"D. Blazina",
"S. B. Duckett",
"H. A. Carteret"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.71.032327",
"journal_ref": "Phys. Rev. A 71, 032327 (2005)",
"title": "Practical Implementations of Twirl Operations",
"url": "https://arxiv.org/abs/quant-ph/0409142"
},
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