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Yu, SX; Yu, SX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Positive maps that are not completely positive
Source PublicationPHYSICAL REVIEW A
KeywordSeparability Criterion Reduction Criterion Bound Entanglement Mixed States Distillation Channels
AbstractThe concept of the half density matrix is proposed. It unifies the quantum states that are described by density matrices and physical processes that are described by completely positive maps. With the help of the half-density-matrix representation of the Hermitian linear map, we show that every positive map that is not completely positive is a difference of two completely positive maps. A necessary and sufficient condition for a positive map that is not completely positive is also presented, which is illustrated by some examples.
2000
ISSN1050-2947
Volume62Issue:2Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12929
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYu, SX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Yu, SX,Yu, SX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Positive maps that are not completely positive[J]. PHYSICAL REVIEW A,2000,62(2):-.
APA Yu, SX,&Yu, SX , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Positive maps that are not completely positive.PHYSICAL REVIEW A,62(2),-.
MLA Yu, SX,et al."Positive maps that are not completely positive".PHYSICAL REVIEW A 62.2(2000):-.
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