Magnetic excitation of ultra-cold atoms trapped in optical lattice

被引：2
作者：
Zhao Xing-Dong [1 ]
Zhang Ying-Ying [1 ]
Liu Wu-Ming [2 ]
机构：
[1] Henan Normal Univ, Coll Phys & Mat Sci, Xinxiang 453007, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Lab Condensed Matter Theory & Mat Computat, Beijing 100190, Peoples R China
来源：
ACTA PHYSICA SINICA | 2019年 / 68卷 / 04期
基金：
国家重点研发计划;
关键词：
spinor Bose-Einstein condensates; optical lattice; magnetic soliton; quantum simulation;
D O I：
10.7498/aps.68.20190153
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Spinor condensates trapped in optical lattices have become potential candidates for multi-bit quantum computation due to their long coherence and controllability. But first, we need to understand the generation and regulation of spin and magnetism in the system. This paper reviews the origin and manipulation of the magnetism of atomic spin chains in optical lattices. The theoretical study of the whole process is described in this paper, including laser cooling, the spinor Bose-Einstein condensate preparations, the optical lattice, and the atomic spin chain. Then, the generation and manipulation of magnetic excitations are discussed, including the preparation of magnetic solitons. Finally, we discuss how to apply atomic spin chains to quantum simulation. The theoretical study of magnetic excitations in optical lattices will play a guiding role when the optical lattice is used in cold atomic physics, condensed matter physics and quantum information.
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页数：10
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