dorsal/arxiv
View SchemaAll-Versus-Nothing Violation of Local Realism by Swapping Entanglement
| Authors | Zeng-Bing Chen, Yu-Ao Chen, Jian-Wei Pan |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0505178 |
| URL | https://arxiv.org/abs/quant-ph/0505178 |
Abstract
The usual entanglement swapping protocol can entangle two particles that never interact. Here we demonstrate an all-versus-nothing violation of local realism for a partial entanglement swapping process. A Clauser-Horne-Shimony-Holt-type inequality for two particles entangled by entanglement swapping is proposed for a practical experiment and can be violated quantum mechanically up to 4 beyond Cirel'son's bound 2sqr(2). Our result uncovers the intriguing nonlocal character of entanglement swapping and may lead to a conclusive (loophole-free) test of local realism versus quantum mechanics. The experimental test of the nonlocality under current technology is also discussed.
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"abstract": "The usual entanglement swapping protocol can entangle two particles that\nnever interact. Here we demonstrate an all-versus-nothing violation of local\nrealism for a partial entanglement swapping process. A\nClauser-Horne-Shimony-Holt-type inequality for two particles entangled by\nentanglement swapping is proposed for a practical experiment and can be\nviolated quantum mechanically up to 4 beyond Cirel\u0027son\u0027s bound 2sqr(2). Our\nresult uncovers the intriguing nonlocal character of entanglement swapping and\nmay lead to a conclusive (loophole-free) test of local realism versus quantum\nmechanics. The experimental test of the nonlocality under current technology is\nalso discussed.",
"arxiv_id": "quant-ph/0505178",
"authors": [
"Zeng-Bing Chen",
"Yu-Ao Chen",
"Jian-Wei Pan"
],
"categories": [
"quant-ph"
],
"title": "All-Versus-Nothing Violation of Local Realism by Swapping Entanglement",
"url": "https://arxiv.org/abs/quant-ph/0505178"
},
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