Spin squeezing properties in the quantum kicked top model

doi:10.1088/0953-4075/39/3/009

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	Spin squeezing properties in the quantum kicked top model
	Song, Lijun 1,3; Wang, Xiaoguang 4; Yan, Dong 2,3; Zong, Zhanguo 3
刊名	Journal of Physics B: Atomic, Molecular and Optical Physics
	2006
卷号	39 期号:3 页码:559-568
关键词	Mathematical models Phase diagrams
ISSN号	09534075
DOI	10.1088/0953-4075/39/3/009
英文摘要	We study spin squeezing, an intrinsically quantum property, in the quantum kicked top model exhibiting chaotic behaviours in the classical limit. We show that spin squeezing can reveal the underlying chaotic and regular structures in phase space given by a sphere with a unit radius, namely, spin squeezing vanishes after a very short time for an initial spin coherent state centred in a chaotic region of the phase space, whereas spin squeezing occurs over a long period of time for the coherent state centred in an elliptic fixed point. We also study the distribution of the mean spin directions when quantum dynamics take places and give a comparison between the dynamics of spin squeezing and quantum entanglement. © 2006 IOP Publishing Ltd.
WOS研究方向	Optics ; Physics
语种	英语
出版者	Institute of Physics Publishing
WOS记录号	WOS:000237132600010
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/151338]
专题	兰州理工大学
作者单位	1.School of Science, Changchun University of Science and Technology, Changchun 130022, China; 2.School of Science, Lanzhou University of Technology, Lanzhou 730050, China 3.Institute of Applied Physics, Changchun University, Changchun 130022, China; 4.Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, HangZhou 310027, China;
推荐引用方式 GB/T 7714	Song, Lijun,Wang, Xiaoguang,Yan, Dong,et al. Spin squeezing properties in the quantum kicked top model[J]. Journal of Physics B: Atomic, Molecular and Optical Physics,2006,39(3):559-568.
APA	Song, Lijun,Wang, Xiaoguang,Yan, Dong,&Zong, Zhanguo.(2006).Spin squeezing properties in the quantum kicked top model.Journal of Physics B: Atomic, Molecular and Optical Physics,39(3),559-568.
MLA	Song, Lijun,et al."Spin squeezing properties in the quantum kicked top model".Journal of Physics B: Atomic, Molecular and Optical Physics 39.3(2006):559-568.