dorsal/arxiv
View SchemaGaussian transformations and distillation of entangled Gaussian states
| Authors | Jaromir Fiurasek |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0204069 |
| URL | https://arxiv.org/abs/quant-ph/0204069 |
| DOI | 10.1103/PhysRevLett.89.137904 |
| Journal | Phys. Rev. Lett. 89, 137904 (2002). |
Abstract
We prove that it is impossible to distill more entanglement from a single copy of a two-mode bipartite entangled Gaussian state via LOCC Gaussian operations. More generally, we show that any hypothetical distillation protocol for Gaussian states involving only Gaussian operations would be a deterministic protocol. Finally, we argue that the protocol considered by Eisert et al. [quant-ph/0204052] is the optimum Gaussian distillation protocol for two copies of entangled Gaussian states.
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"abstract": "We prove that it is impossible to distill more entanglement from a single\ncopy of a two-mode bipartite entangled Gaussian state via LOCC Gaussian\noperations. More generally, we show that any hypothetical distillation protocol\nfor Gaussian states involving only Gaussian operations would be a deterministic\nprotocol. Finally, we argue that the protocol considered by Eisert et al.\n[quant-ph/0204052] is the optimum Gaussian distillation protocol for two copies\nof entangled Gaussian states.",
"arxiv_id": "quant-ph/0204069",
"authors": [
"Jaromir Fiurasek"
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"doi": "10.1103/PhysRevLett.89.137904",
"journal_ref": "Phys. Rev. Lett. 89, 137904 (2002).",
"title": "Gaussian transformations and distillation of entangled Gaussian states",
"url": "https://arxiv.org/abs/quant-ph/0204069"
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