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{
"abstracts": [
{
"content": "We provide a class of optimal nondecomposable entanglement witnesses for 4N x\n4N composite quantum systems or, equivalently, a new construction of\nnondecomposable positive maps in the algebra of 4N x 4N complex matrices. This\nconstruction provides natural generalization of the Robertson map. It is shown\nthat their structural physical approximations give rise to entanglement\nbreaking channels.",
"lang": "en",
"mimetype": "text/plain",
"sha1": "5f9fce982c3d66731bf671c10001e741a875d053"
}
],
"contribs": [
{
"index": 0,
"raw_name": "Dariusz Chruscinski",
"role": "author"
},
{
"index": 1,
"raw_name": "Justyna Pytel",
"role": "author"
}
],
"ext_ids": {
"arxiv": "1006.3059v1"
},
"extra": {
"arxiv": {
"base_id": "1006.3059",
"categories": [
"quant-ph",
"math-ph",
"math.MP"
],
"comments": "6 pages",
"journal_ref": "Phys. Rev. A 82, 052310 (2010)"
}
},
"ident": "qmtuvezglnembenfilx7b6ecae",
"language": "en",
"license_slug": "ARXIV-1.0",
"refs": [],
"release_date": "2010-06-15",
"release_stage": "submitted",
"release_type": "article",
"release_year": 2010,
"revision": "b9c8fd47-c5e1-4f41-84cb-675c4a03080c",
"state": "active",
"title": "Constructing optimal entanglement witnesses. II",
"version": "v1",
"work_id": "5mrqtpzqwvfdjefcrkult3wryy"
}
|
