dorsal/arxiv
View SchemaA pairwise additive strategy for quantifying multipartite entanglement
| Authors | Gerardo A. Paz-Silva, John H. Reina |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0610017 |
| URL | https://arxiv.org/abs/quant-ph/0610017 |
Abstract
Based on the idea of measuring the factorizability of a given density matrix, we propose a pairwise analysis strategy for quantifying and understanding multipartite entanglement. The methodology proves very effective as it immediately guarantees, in addition to the usual entanglement properties, additivity and strong super additivity. We give a specific set of quantities that fulfill the protocol and which, according to our numerical calculations, make the entanglement measure an LOCC non-increasing function. The strategy allows a redefinition of the structural concept of global entanglement.
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"abstract": "Based on the idea of measuring the factorizability of a given density matrix,\nwe propose a pairwise analysis strategy for quantifying and understanding\nmultipartite entanglement. The methodology proves very effective as it\nimmediately guarantees, in addition to the usual entanglement properties,\nadditivity and strong super additivity. We give a specific set of quantities\nthat fulfill the protocol and which, according to our numerical calculations,\nmake the entanglement measure an LOCC non-increasing function. The strategy\nallows a redefinition of the structural concept of global entanglement.",
"arxiv_id": "quant-ph/0610017",
"authors": [
"Gerardo A. Paz-Silva",
"John H. Reina"
],
"categories": [
"quant-ph"
],
"title": "A pairwise additive strategy for quantifying multipartite entanglement",
"url": "https://arxiv.org/abs/quant-ph/0610017"
},
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