Quantum entanglement of spin-1 bosons with coupled ground states in optical lattices

被引：2
|
作者：
Oztop, B. [1 ]
Oktel, M. O. [1 ]
Mustecaphoglu, O. E. [2 ]
You, L. [3 ]
机构：
[1] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey
[2] Koc Univ, Dept Phys, TR-34450 Istanbul, Turkey
[3] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2009年 / 42卷 / 14期
基金：
美国国家科学基金会;
关键词：
SUPERFLUID; INSULATOR; ATOMS; MODEL;
D O I：
10.1088/0953-4075/42/14/145505
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine particle entanglement, characterized by pseudo-spin squeezing, of spin-1 bosonic atoms with coupled ground states in a one-dimensional optical lattice. Both the superfluid and Mott-insulator phases are investigated separately for ferromagnetic and antiferromagnetic interactions. Mode entanglement is also discussed in the Mott-insulating phase. The role of a small but nonzero angle between the polarization vectors of counter-propagating lasers forming the optical lattice on quantum correlations is investigated as well.
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页数：9
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