Unambiguous discrimination of mixed quantum states

被引：11
|
作者：
Zhang, C [1 ]
Feng, YA [1 ]
Ying, MS [1 ]
机构：
[1] Tsinghua Univ, Dept Comp Sci & Technol, State Key Lab Intelligent Technol & Syst, Beijing 100084, Peoples R China
来源：
PHYSICS LETTERS A | 2006年 / 353卷 / 04期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.physleta.2005.12.097
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The problem of unambiguous discrimination between mixed quantum states is addressed by isolating the part of each mixed state which has no contribution to discrimination and by employing the strategy of set discrimination of pure states. A necessary and sufficient condition of unambiguous mixed state discrimination is presented. An upper bound of the efficiency is also derived. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：300 / 306
页数：7
相关论文
共 50 条
  • [41] Unambiguous discrimination of general quantum operations
    Cai, Weizhou
    Zhang, Jing-Ning
    Hua, Ziyue
    Wang, Weiting
    Pan, Xiaoxuan
    Liu, Xinyu
    Ma, Yuwei
    Hu, Ling
    Mu, Xianghao
    Wang, Haiyan
    Song, Yipu
    Zou, Chang-Ling
    Sun, Luyan
    SCIENCE ADVANCES, 2024, 10 (46):
  • [42] Remote unambiguous discrimination of linearly independent symmetric d-level quantum states
    Chen, Libing
    Liu, Yuhua
    Tan, Peng
    Lu, Hong
    JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 2009, 42 (05)
  • [43] Unambiguous discrimination of linearly independent pure quantum states: Optimal average probability of success
    Bandyopadhyay, Somshubhro
    PHYSICAL REVIEW A, 2014, 90 (03):
  • [44] Unambiguous State Discrimination in Quantum Key Distribution
    Howard E. Brandt
    Quantum Information Processing, 2005, 4 : 387 - 398
  • [45] Quantum tomography via unambiguous state discrimination
    Salazar, R.
    Delgado, A.
    PHYSICAL REVIEW A, 2012, 86 (01):
  • [46] Local unambiguous discrimination of symmetric ternary states
    Nakahira, Kenji
    Kato, Kentaro
    Usuda, Tsuyoshi Sasaki
    PHYSICAL REVIEW A, 2019, 99 (02)
  • [47] Unambiguous state discrimination in quantum key distribution
    Brandt, Howard E.
    QUANTUM INFORMATION PROCESSING, 2005, 4 (05) : 387 - 398
  • [48] PROTOCOL FOR UNAMBIGUOUS QUANTUM STATE DISCRIMINATION USING QUANTUM COHERENCE
    Kim, Sunho
    Li, Longsuo
    Kumar, Asutosh
    Xiong, Chunhe
    Das, Sreetama
    Sen, Ujjwal
    Pati, Arun kumar
    Wu, Junde
    QUANTUM INFORMATION & COMPUTATION, 2021, 21 (11-12) : 931 - 944
  • [49] From unambiguous quantum state discrimination to quantum state filtering
    Bergou, JA
    Herzog, U
    Hillery, M
    FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS, 2003, 51 (2-3): : 74 - 80
  • [50] Protocol for unambiguous quantum state discrimination using quantum coherence
    Kim S.
    Li L.
    Kumar A.
    Xiong C.
    Das S.
    Sen U.
    Pati A.K.
    Wu J.
    2021, Rinton Press Inc. (21): : 931 - 944
12345