dorsal/arxiv
View SchemaSqueezing and entanglement of matter-wave gap solitons
| Authors | Ray-Kuang Lee, Elena A. Ostrovskaya, Yuri S. Kivshar, Yinchieh Lai |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0412036 |
| URL | https://arxiv.org/abs/quant-ph/0412036 |
| DOI | 10.1103/PhysRevA.72.033607 |
Abstract
We study quantum squeezing and entanglement of gap solitons in a Bose-Einstein condensate loaded into a one-dimensional optical lattice. By employing a linearized quantum theory we find that quantum noise squeezing of gap solitons, produced during their evolution, is enhanced compared with the atomic solitons in a lattice-free case due to intra-soliton structure of quantum correlations induced by the Bragg scattering in the periodic potential. We also show that nonlinear interaction of gap solitons in dynamically stable bound states can produce strong soliton entanglement.
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"abstract": "We study quantum squeezing and entanglement of gap solitons in a\nBose-Einstein condensate loaded into a one-dimensional optical lattice. By\nemploying a linearized quantum theory we find that quantum noise squeezing of\ngap solitons, produced during their evolution, is enhanced compared with the\natomic solitons in a lattice-free case due to intra-soliton structure of\nquantum correlations induced by the Bragg scattering in the periodic potential.\nWe also show that nonlinear interaction of gap solitons in dynamically stable\nbound states can produce strong soliton entanglement.",
"arxiv_id": "quant-ph/0412036",
"authors": [
"Ray-Kuang Lee",
"Elena A. Ostrovskaya",
"Yuri S. Kivshar",
"Yinchieh Lai"
],
"categories": [
"quant-ph",
"cond-mat.soft"
],
"doi": "10.1103/PhysRevA.72.033607",
"title": "Squeezing and entanglement of matter-wave gap solitons",
"url": "https://arxiv.org/abs/quant-ph/0412036"
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