dorsal/arxiv
View SchemaProbabilistic exact cloning and probabilistic no-signalling
| Authors | Arun Kumar Pati |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/9908017 |
| URL | https://arxiv.org/abs/quant-ph/9908017 |
| DOI | 10.1016/S0375-9601(00)00281-4 |
Abstract
We show that non-local resources cannot be used for probabilistic signalling even if one can produce exact clones with the help of a probabilistic quantum cloning machine (PQCM). We show that PQCM cannot help to distinguish two statistical mixtures at a remote location. Thus quantum theory rules out the possibility of sending superluminal signals not only deterministically but also probabilistically. We give a bound on the success probability of producing multiple clones in an entangled system.
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"abstract": "We show that non-local resources cannot be used for probabilistic signalling\neven if one can produce exact clones with the help of a probabilistic quantum\ncloning machine (PQCM). We show that PQCM cannot help to distinguish two\nstatistical mixtures at a remote location. Thus quantum theory rules out the\npossibility of sending superluminal signals not only deterministically but also\nprobabilistically. We give a bound on the success probability of producing\nmultiple clones in an entangled system.",
"arxiv_id": "quant-ph/9908017",
"authors": [
"Arun Kumar Pati"
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"doi": "10.1016/S0375-9601(00)00281-4",
"title": "Probabilistic exact cloning and probabilistic no-signalling",
"url": "https://arxiv.org/abs/quant-ph/9908017"
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