dorsal/arxiv
View SchemaScaling of Entanglement close to a Quantum Phase Transitions
| Authors | A. Osterloh, L. Amico, G. Falci, R. Fazio |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0202029 |
| URL | https://arxiv.org/abs/quant-ph/0202029 |
| DOI | 10.1038/416608a |
| Journal | Nature 416, 608 (2002) |
Abstract
In this Letter we discuss the entanglement near a quantum phase transition by analyzing the properties of the concurrence for a class of exactly solvable models in one dimension. We find that entanglement can be classified in the framework of scaling theory. Further, we reveal a profound difference between classical correlations and the non-local quantum correlation, entanglement: the correlation length diverges at the phase transition, whereas entanglement in general remains short ranged.
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"abstract": "In this Letter we discuss the entanglement near a quantum phase transition by\nanalyzing the properties of the concurrence for a class of exactly solvable\nmodels in one dimension. We find that entanglement can be classified in the\nframework of scaling theory. Further, we reveal a profound difference between\nclassical correlations and the non-local quantum correlation, entanglement: the\ncorrelation length diverges at the phase transition, whereas entanglement in\ngeneral remains short ranged.",
"arxiv_id": "quant-ph/0202029",
"authors": [
"A. Osterloh",
"L. Amico",
"G. Falci",
"R. Fazio"
],
"categories": [
"quant-ph",
"cond-mat.str-el"
],
"doi": "10.1038/416608a",
"journal_ref": "Nature 416, 608 (2002)",
"title": "Scaling of Entanglement close to a Quantum Phase Transitions",
"url": "https://arxiv.org/abs/quant-ph/0202029"
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