Local invariants and pairwise entanglement in symmetric multiqubit system

International Journal of Modern Physics B

Volumn 20, Issue 11-13, 2006, Pages 1917-1933

  Usha Devi, A R ^a   Uma, M S ^a   Prabhu, R ^a   Sudha, ^b  

^a BANGALORE UNIVERSITY   (India)

^b Government First Grade College   (India)

Author keywords

Local invariants; Pairwise entanglement; Spin squeezing; Symmetric multi qubits

Indexed keywords

EID: 33744767801     PISSN: 02179792     EISSN: None     Source Type: Journal    
DOI: 10.1142/S0217979206034406     Document Type: Conference Paper

References (38)

1. D. J. Wineland, J. J. Bollinger, W. M. Itano, F. L. Moore, and D. J. Heinzen, Phys. Rev. A46, R6797 (1992).
2. A. Kuzmich, K. Mølmer and E. S. Polzik, Phys. Rev. Lett. 79, 4782 (1997).
3. A. Kuzmich, N. P. Bigelow and L. Mandel, Europhys. Lett. 42, 481 (1998).
4. E. S. Polzik, Phys. Rev. A59, 4202 (1999).
5. J. Hald, J. L. Sørensen, C. Schori and E. S. Polzik, Phys. Rev. Lett. 83, 1319 (1999).
6. A. Kuzmich, L. Mandel and N. P. Bigelow, Phys. Rev. Lett. 85, 1594 (2000).
7. L. -M. Duan, J. I. Cirac, P.Zoller and E. S. Polzik, Phys. Rev. Lett. 85, 5643 (2000).
8. A. Kozhenkin, K. Mølmer and E. S. Polzik, Phys. Rev. A62, 033809 (2000).
9. A. Sørensen, L. -M. Duan, J. I. Cirac and P. Zoller, Nature (London) 409, 63 (2001).
10. Z. Ficek and R. Tanaś, Phys. Rep. 372, 369 (2002).
11. L. -M. Duan, E. Demler and M. D. Lukin, Phys. Rev. Lett. 91, 090402 (2003).
12. B. Yurke, Phys. Rev. Lett. 56, 1515 (1986).
13. M. Kitagawa and M. Ueda, Phys. Rev. Lett. 67, 1852 (1991).
14. D. J. Wineland, J. J. Bollinger, W. M. Itano and D. J. Heinzen, Phys. Rev. A50, 67 (1994).
15. M. A. Neilsen and I. L. Chaung, Quantum Computation and Quantum Information (Cambridge University Press, Cambridge, 2000).
16. M. Kitagawa and M. Ueda, Phys. Rev. A47, 5138 (1993).
17. G. S. Agarwal and R. R. Puri, Phys. Rev. A41, 3782 (1990).
18. M. D. Lukin, S. F. Yelin and M. Fleishhauer, Phys. Rev. Lett. 84, 4232 (2000).
19. X. Wang, A. Sørensen and K. Mølmer, Phys. Rev. 64, 053815 (2001);
20. X. Wang, J. Opt. B: Quantum Semiclassical Opt. 3, 93 (2001);
21. X. Wang, Opt. Commun. 200, 277 (2001).
22. A. Sørensen and K. Mølmer, Phys. Rev. Lett. 86, 4431 (2001).
23. C. Orzel, A. K. Tuchman, M. L. Fenselau, M. Yasuda and M. A. Kasevich, Science 291, 2386 (2001).
24. A. Sørensen, Phys. Rev. A65, 043610 (2002).
25. A. André and M. D. Lukin, Phys. Rev. A65, 053819 (2002).
26. A. R. Usha Devi, K. S. Mallesh, M. A. A. Sbaih, K. B. Nalini and G. Ramachandran, J. Phys. A: Math. Gen 36, 5333 (2003).
27. A. R. Usha Devi, X. Wang and B. C. Sanders, Quantum Inf. Proc. 2, 207 (2003).
28. D. Ulam-Orgikh and M. Kitagawa, Phys. Rev. A64, 052106 (2001).
29. X. Wang and B. C. Sanders, Phys. Rev. A68, 012101 (2003).
30. J. K. Korbicz, J. I. Cirac and M. Lewenstein, Phys. Rev. Lett. 95, 120502 (2005).
31. N. Linden, S. Popescu and A. Sudbery, Phys. Rev. Lett. 83, 243 (1999).
32. A. Sudbery, J. Phys. A: Math. Gen. 34, 643 2001).
33. Y. Makhlin, Quantum Inf. Proc. 1, 243 (2003).
34. S. Albeverio, Shao-Ming Fei, Preeti Parashar and Wen-Li Yang, Phys. Rev. A68, 010303(R) (2003).
35. R. Horodecki and M. Horodecki, Phys. Rev. A54, 1838 (1996).
36. R. H. Dicke, Phys. Rev. 93, 99 (1954).
37. C. A. Sackett et al., Nature 404, 256 (2000).
38. D. M. Brink and G. R. Satchler, Angular Momentum (Oxford University Press, Oxford, 1975).