dorsal/arxiv
View SchemaLower bounds on the entanglement of formation for general Gaussian states
| Authors | G. Rigolin, C. O. Escobar |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0307023 |
| URL | https://arxiv.org/abs/quant-ph/0307023 |
| DOI | 10.1103/PhysRevA.69.012307 |
| Journal | Phys. Rev. A 69, 012307 (2004) |
Abstract
We derive two lower bounds on entanglement of formation for arbitrary mixed Gaussian states by two distinct methods. To achieve the first one we use a local measurement procedure derived by Giedke et al [Quantum Inf. and Comp. vol.1, 79 (2001)] that symmetrizes a general Gaussian state and the fact that entanglement cannot increase under local operations and classical communications. The second one is obtained via a generalization to mixed states of an interesting result derived by Giedke et al [quant-ph/0304042], who show that squeezed states are those that, for a fixed amount of entanglement, maximize Einstein-Podolsky-Rosen-like correlations.
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"abstract": "We derive two lower bounds on entanglement of formation for arbitrary mixed\nGaussian states by two distinct methods. To achieve the first one we use a\nlocal measurement procedure derived by Giedke et al [Quantum Inf. and Comp.\nvol.1, 79 (2001)] that symmetrizes a general Gaussian state and the fact that\nentanglement cannot increase under local operations and classical\ncommunications. The second one is obtained via a generalization to mixed states\nof an interesting result derived by Giedke et al [quant-ph/0304042], who show\nthat squeezed states are those that, for a fixed amount of entanglement,\nmaximize Einstein-Podolsky-Rosen-like correlations.",
"arxiv_id": "quant-ph/0307023",
"authors": [
"G. Rigolin",
"C. O. Escobar"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.69.012307",
"journal_ref": "Phys. Rev. A 69, 012307 (2004)",
"title": "Lower bounds on the entanglement of formation for general Gaussian states",
"url": "https://arxiv.org/abs/quant-ph/0307023"
},
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