dorsal/arxiv
View SchemaProbabilistic nonlocal gate operation via imperfect entanglement
| Authors | Jingak Jang, Jinhyoung Lee, M. S. Kim, Y. -J. Park |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0101107 |
| URL | https://arxiv.org/abs/quant-ph/0101107 |
Abstract
Nonlocal gate operation is based on sharing an ancillary pair of qubits in perfect entanglement. When the ancillary pair are partially entangled, the efficiency of the gate operation drops. Using general transformations, we devise probabilistic nonlocal gates, which perform the nonlocal operation conclusively when the ancillary pair are only partially entangled. We show that a controlled purification protocol can be implemented by the probabilistic nonlocal operation.
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"date_created": "2026-03-02T18:01:42.709000Z",
"date_modified": "2026-03-02T18:01:42.709000Z",
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"abstract": "Nonlocal gate operation is based on sharing an ancillary pair of qubits in\nperfect entanglement. When the ancillary pair are partially entangled, the\nefficiency of the gate operation drops. Using general transformations, we\ndevise probabilistic nonlocal gates, which perform the nonlocal operation\nconclusively when the ancillary pair are only partially entangled. We show that\na controlled purification protocol can be implemented by the probabilistic\nnonlocal operation.",
"arxiv_id": "quant-ph/0101107",
"authors": [
"Jingak Jang",
"Jinhyoung Lee",
"M. S. Kim",
"Y. -J. Park"
],
"categories": [
"quant-ph"
],
"title": "Probabilistic nonlocal gate operation via imperfect entanglement",
"url": "https://arxiv.org/abs/quant-ph/0101107"
},
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