dorsal/arxiv
View SchemaEnhancement of entanglement transfer in a spin chain by phase shift-control
| Authors | K. Maruyama, T. Iitaka, F. Nori |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0610103 |
| URL | https://arxiv.org/abs/quant-ph/0610103 |
| DOI | 10.1103/PhysRevA.75.012325 |
| Journal | PRA75, 012325(2007). |
Abstract
We study the effect of a phase shift on the amount of transferrable two-spin entanglement in a spin chain. We consider a ferromagnetic Heisenberg/XY spin chain, both numerically and analytically, and two mechanisms to generate a phase shift, the Aharonov-Casher effect and the Dzyaloshinskii-Moriya interaction. In both cases, the maximum attainable entanglement is shown to be significantly enhanced, suggesting its potential usefulness in quantum information processing.
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"abstract": "We study the effect of a phase shift on the amount of transferrable two-spin\nentanglement in a spin chain. We consider a ferromagnetic Heisenberg/XY spin\nchain, both numerically and analytically, and two mechanisms to generate a\nphase shift, the Aharonov-Casher effect and the Dzyaloshinskii-Moriya\ninteraction. In both cases, the maximum attainable entanglement is shown to be\nsignificantly enhanced, suggesting its potential usefulness in quantum\ninformation processing.",
"arxiv_id": "quant-ph/0610103",
"authors": [
"K. Maruyama",
"T. Iitaka",
"F. Nori"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.75.012325",
"journal_ref": "PRA75, 012325(2007).",
"title": "Enhancement of entanglement transfer in a spin chain by phase shift-control",
"url": "https://arxiv.org/abs/quant-ph/0610103"
},
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