Skew information decreases under quantum measurements

doi:10.1007/s11232-007-0039-7

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	Skew information decreases under quantum measurements
	Luo, Shunlong; Zhang, Qiang
	2007-04-01
发表期刊	THEORETICAL AND MATHEMATICAL PHYSICS
ISSN	0040-5779
卷号	151 期号:1 页码:529-538
摘要	We prove that the skew information decreases under nonselective quantum measurements that do not disturb the conserved observable. We further conjecture that the skew information also decreases under selective quantum measurements, and we prove this for two-dimensional quantum systems.
关键词	density operator conserved observable skew information quantum measurement affinity monotonicity
DOI	10.1007/s11232-007-0039-7
语种	英语
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary ; Physics, Mathematical
WOS记录号	WOS:000245809000007
出版者	SPRINGER
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/4971
专题	应用数学研究所
通讯作者	Luo, Shunlong
作者单位	1.Chinese Acad Sci, Acad Math & Syst Sci, Beijing, Peoples R China 2.City Univ Hong Kong, Dept Math, Hong Kong, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Luo, Shunlong,Zhang, Qiang. Skew information decreases under quantum measurements[J]. THEORETICAL AND MATHEMATICAL PHYSICS,2007,151(1):529-538.
APA	Luo, Shunlong,&Zhang, Qiang.(2007).Skew information decreases under quantum measurements.THEORETICAL AND MATHEMATICAL PHYSICS,151(1),529-538.
MLA	Luo, Shunlong,et al."Skew information decreases under quantum measurements".THEORETICAL AND MATHEMATICAL PHYSICS 151.1(2007):529-538.