Entanglement of solid-state qubits by measurement

Physical Review B - Condensed Matter and Materials Physics

Volumn 67, Issue 24, 2003, Pages

  Ruskov, Rusko ^a,b   Korotkov, Alexander N ^a  

^a University of California Riverside   (United States)

^b INSTITUTE FOR NUCLEAR RESEARCH AND NUCLEAR ENERGY   (Bulgaria)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; COMPUTER; NOISE; OSCILLATION; QUANTUM THEORY; THEORETICAL STUDY;

EID: 0043031053     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.67.241305     Document Type: Article

References (33)

1. For example, D. Loss and D.P. DiVincenzo, Phys. Rev. A 57, 120 (1998);
2. A. Shnirman, G. Schön, and Z. Hermon, Phys. Rev. Lett. 79, 2371 (1997);
3. D.V. Averin, Solid State Commun. 105, 659 (1998);
4. B.E. Kane, Nature (London) 393, 133 (1998);
5. J.E. Mooij et al., Science 285, 1036 (1999).
6. Y. Nakamura, Yu. A. Pashkin, and J.S. Tsai, Nature (London) 398, 786 (1999);
7. Y. Nakamura Yu. A. Pashkin J.S. Tsai Phys. Rev. Lett. 87, 246601 (2001).
8. C.H. van der Wal et al., Science 290, 773 (2000).
9. J.R. Friedman et al., Nature (London) 406, 43 (2000).
10. D. Vion et al., Science 296, 886 (2002).
11. M.B. Plenio, S.F. Huelga, A. Beige, and P.L. Knight, Phys. Rev. A 59, 2468 (1999).
12. M.B. Plenio and S.F. Huelga, Phys. Rev. Lett. 88, 197901 (2002);
13. Phys. Rev. Lett. D. Braun, 89, 277901 (2002).
14. D.A. Lidar et al., Phys. Rev. Lett. 82, 4556 (1999).
15. E. Knill, R. Laflamme, and G.J. Milburn, Nature (London) 409, 46 (2001).
16. A.O. Caldeira and A.J. Leggett, Ann. Phys. (N.Y.) 149, 374 (1983);
17. E. B. Davies, Quantum Theory of Open Systems (Academic, London, 1976).
18. H.M. Wiseman and G.J. Milburn, Phys. Rev. Lett. 70, 548 (1993).
19. A.N. Korotkov, Phys. Rev. B 60, 5737 (1999);
20. Phys. Rev. B A.N. Korotkov 63, 115403 (2001).
21. H.-S. Goan, G.J. Milburn, H.M. Wiseman, and H.B. Sun, Phys. Rev. B 63, 125326 (2001).
22. A.N. Korotkov, in Quantum Noise in Mesoscopic Physics, edited by Yu. V. Nazarov (Kluwer, The Netherlands, 2003), p. 205.
23. A.N. Korotkov, Phys. Rev. B 63, 085312 (2001);
24. Phys. Rev. B A.N. Korotkov and D.V. Averin, 64, 165310 (2001).
25. C. Durkan and M.E. Welland, Appl. Phys. Lett. 80, 458 (2002);
26. C. Durkan (private communication).
27. D. Sprinzak, E. Buks, M. Heiblum, and H. Shtrikman, Phys. Rev. Lett. 84, 5820 (2000).
28. S.A. Gurvitz, Phys. Rev. B 56, 15 215 (1997).
29. V. B. Braginsky and F. Ya. Khalili, Quantum Measurement (Cambridge University Press, Cambridge, 1992).
30. A.N. Korotkov, Phys. Rev. A 65, 052304 (2002).
31. For η = 1, the two-qubit state becomes pure (Ref. 13) even when starting with a mixed state, and the surviving nondiagonal matrix elements in the Bell basis satisfy equations (Formula presented), (Formula presented) and (Formula presented).
32. 4)/3. For the oscillating state, the numerical simulations show an additional spectral peak of the detector current at frequency 2Ω and a small peak at zero frequency.
33. W.K. Wootters, Phys. Rev. Lett. 80, 2245 (1998).