Asymmetry and decoherence in a double-layer persistent-current qubit

Physical Review B - Condensed Matter and Materials Physics

Volumn 71, Issue 13, 2005, Pages

  Burkard, Guido ^a,c   Divincenzo, David P ^a   Bertet, P ^b   Chiorescu, I ^b,d   Mooij, J E ^b  

^a IBM T J WATSON RESEARCH CENTER   (United States)

^b DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^c UNIVERSITY OF BASEL   (Switzerland)

^d FLORIDA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 28644443453     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.71.134504     Document Type: Article

References (18)

1. Y. Makhlin, G. Schön, and A. Shnirman, Rev. Mod. Phys. RMPHAT 0034-6861 10.1103/RevModPhys.73.357 73, 357 (2001).
2. J. E. Mooij, T. P. Orlando, L. Levitov, L. Tian, C. H. van der Wal, and S. Lloyd, Science SCIEAS 0036-8075 10.1126/science.285.5430.1036 285, 1036 (1999).
3. T. P. Orlando, J. E. Mooij, L. Tian, C. H. van der Wal, L. S. Levitov, S. Lloyd, and J. J. Mazo, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.60.15398 60, 15398 (1999).
4. C. H. van der Wal, A. C. J. ter Har, F. K. Wilhelm, R. N. Schouten, C. J. P. M. Harmans, T. P. Orlando, S. Lloyd, and J. E. Mooij, Science SCIEAS 0036-8075 10.1126/science.290.5492.773 290, 773 (2000).
5. I. Chiorescu, Y. Nakamura, C. J. P. M. Harmans, and J. E. Mooij, Science SCIEAS 0036-8075 10.1126/science.1081045 299, 1869 (2003).
6. M. H. Devoret in Quantum fluctuations, lecture notes of the 1995 Les Houches summer school, edited by, S. Reynaud,,, E. Giacobino,, and, J. Zinn-Justin, (Elsevier, The Netherlands, 1997), p. 351.
7. L. Tian, L. S. Levitov, J. E. Mooij, T. P. Orlando, C. H. van der Wal, and S. Lloyd, in Quantum Mesoscopic Phenomena and Mesoscopic Devices in Microelectronics, edited by, I. O. Kulik, and, R. Ellialtioglu, (Kluwer, Dordrecht, 2000), pp. 429-438;
8. L. Tian, L. S. Levitov, J. E. Mooij, T. P. Orlando, C. H. van der Wal, S. Lloyd, cond-mat/9910062 (unpublished).
9. L. Tian, S. Lloyd, and T. P. Orlando, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.65.144516 65, 144516 (2002).
10. C. H. van der Wal, F. K. Wilhelm, C. J. P. M. Harmans, and J. E. Mooij, Eur. J. Biochem. EJBCAI 0014-2956 31, 111 (2003).
11. P. Bertet, I. Chiorescu, G. Burkard, K. Semba, C. J. P. M. Harmans, D. P. DiVincenzo, and J. E. Mooij, cond-mat/0412485 (unpublished).
12. R. W. Simmonds, K. M. Lang, D. A. Hite, D. P. Pappas, and J. M. Martinis, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.93.077003 93, 077003 (2004).
13. G. Burkard, R. H. Koch, and D. P. DiVincenzo, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.69.064503 69, 064503 (2004).
14. I. Chiorescu, P. Bertet, K. Semba, Y. Nakamura, C. J. P. M. Harmans, and J. E. Mooij, Nature (London) NATUAS 0028-0836 10.1038/nature02831 431, 159 (2004).
15. A. O. Caldeira and A. J. Leggett, Ann. Phys. ANPYA2 0003-3804 143, 374 (1983).
16. The semiclassical approximation accurately describes the double well in the case where the states centered at the left and right minima are well localized (see Ref., Sec. XIA).
17. Y. Makhlin and A. Shnirman, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.92.178301 92, 178301 (2004).
18. P. Bertet (unpublished).