Quantifying quantum discord and entanglement of formation via unified purifications

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 83, Issue 5, 2011, Pages

  Cen, Li Xiang ^a,b   Li, Xin Qi ^a,b,c   Shao, Jiushu ^b,c   Yan, Yijing ^b  

^a SICHUAN UNIVERSITY   (China)

^b HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Hong Kong)

^c BEIJING NORMAL UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL EXPRESSIONS; DECOHERENCE; DENSITY MATRIX; DYNAMIC BEHAVIORS; MIXED STATE; ORDERING RELATIONS; PHYSICAL SYSTEMS; QUANTUM CORRELATIONS; QUANTUM STATE; TWO-QUBIT;

PURIFICATION;

QUANTUM ENTANGLEMENT;

EID: 79961036612     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.83.054101     Document Type: Article

References (30)

1. E. Schrödinger, Proc. Cambridge Philos. Soc. MPCPCO 0305-0041 10.1017/S0305004100013554 31, 555 (1935).
2. P. W. Shor, SIAM J. Comput. SMJCAT 0097-5397 10.1137/S0097539795293172 26, 1484 (1997).
3. L. K. Grover, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.79. 325 79, 325 (1997).
4. R. F. Werner, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.40.4277 40, 4277 (1989).
5. C. H. Bennett, G. Brassard, S. Popescu, B. Schumacher, J. A. Smolin, and W. K. Wootters, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.76.722 76, 722 (1996).
6. L. Henderson and V. Vedral, J. Phys. A JPHAC5 0305-4470 10.1088/0305-4470/34/35/315 34, 6899 (2001).
7. H. Ollivier and W. H. Zurek, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.88.017901 88, 017901 (2001);
8. W. H. Zurek, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.67.012320 67, 012320 (2003).
9. E. Knill and R. Laflamme, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.81.5672 81, 5672 (1998);
10. A. Datta, A. Shaji, and C. M. Caves, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.100.050502 100, 050502 (2008); (Pubitemid 351220701)
11. B. P. Lanyon, M. Barbieri, M. P. Almeida, and A. G. White, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.101.200501 101, 200501 (2008);
12. A. Datta and S. Gharibian, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.79.042325 79, 042325 (2009).
13. M. Piani, P. Horodecki, and R. Horodecki, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.100.090502 100, 090502 (2008); (Pubitemid 351399089)
14. M. Piani, M. Christandl, C. E. Mora, and P. Horodecki, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.102.250503 102, 250503 (2009).
15. J. Maziero, L. C. Celeri, R. M. Serra, and V. Vedral, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.80.044102 80, 044102 (2009);
16. T. Werlang, S. Souza, F. F. Fanchini, and C. J. Villas Boas, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.80.024103 80, 024103 (2009);
17. F. F. Fanchini, T. Werlang, C. A. Brasil, L. G. E. Arruda, and A. O. Caldeira, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.81.052107 81, 052107 (2010);
18. B. Wang, Z.-Y. Xu, Z.-Q. Chen, and M. Feng, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.81.014101 81, 014101 (2010).
19. S. Luo, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.77.042303 77, 042303 (2008). (Pubitemid 351490828)
20. M. Ali, A. R. P. Rau, and G. Alber, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.81.042105 81, 042105 (2010).
21. M. Koashi and A. Winter, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.69.022309 69, 022309 (2004).
22. W. K. Wootters, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.80. 2245 80, 2245 (1998).
23. A. Acín, A. Andrianov, L. Costa, E. Jané, J. I. Latorre, and R. Tarrach, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.85.1560 85, 1560 (2000).
24. B. M. Terhal and K. G. H. Vollbrecht, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.85.2625 85, 2625 (2000);
25. K. G. H. Vollbrecht and R. F. Werner, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.64.062307 64, 062307 (2001).
26. S. Hamieh, R. Kobes, and H. Zaraket, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.70.052325 70, 052325 (2004). (Pubitemid 40073090)
27. J.-S. Xu, Nat. Commun. 10.1038/ncomms1005 1, 7 (2010).
28. G. Adesso and A. Datta, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.105.030501 105, 030501 (2010); for Gaussian quantum discord, see also
29. P. Giorda and Matteo G. A. Paris, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.105.020503 105, 020503 (2010).
30. F. F. Fanchini, M. F. Cornelio, M. C. de Oliveira, and A. O. Caldeira, e-print arXiv: 1006.2460.