Environmentally decoupled sds-wave Josephson junctions for quantum computing

Nature

Volumn 398, Issue 6729, 1999, Pages 679-681

  Ioffe, Lev B ^a,c   Geshkenbeln, Vadim B ^b,c   Felgel'man, Mikhail V ^c   Fauchère, Alban L ^b   Blatter, Gianni ^b  

^a RUTGERS UNIVERSITY   (United States)

^b ETH ZURICH   (Switzerland)

^c LANDAU INSTITUTE FOR THEORETICAL PHYSICS   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; COMPUTATIONAL METHODS; MAGNETIC MOMENTS; QUANTUM THEORY;

QUANTUM COMPUTING;

JOSEPHSON JUNCTION DEVICES;

ARTICLE; COMPUTER SYSTEM; GEOMETRY; MATHEMATICAL ANALYSIS; MOLECULAR DYNAMICS; PHYSICAL PHENOMENA; PRIORITY JOURNAL; QUANTUM MECHANICS;

EID: 0033594510     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/19464     Document Type: Article

References (21)

1. Ekert, A. & Jozsa, R. Quantum computation and Shor's factoring algorithm. Rev. Mod. Phys. 68, 733-753 (1996).
2. Cirac, J. I. & Zoller, P. Quantum computations with cold trapped ions. Phys. Rev. Lett. 74, 4091-4094 (1995).
3. Monroe, C., Meekhof, D., King, B., Itano, W. & Wineland, D. Demonstration of a fundamental quantum logic gate. Phys. Rev. Lett. 75, 4714-4717 (1995).
4. Turchette, Q., Hood, C., Lange, W., Mabushi, H. & Kimble, H. J. Measurement of conditional phase shifts for quantum logics. Phys. Rev. Lett. 75, 4710-4713 (1995).
5. Gershenfeld, N. A. & Chuang, I. L. Bulk spin-resonance quantum computation. Science 275, 350-356 (1997).
6. Loss, D. & DiVincenzo, D. P. Quantum computation with quantum dots. Phys. Rev. A 57, 120-126 (1998).
7. Shnirman, A., Schön, G. & Hermon, Z. Quantum manipulations of small Josephson junctions. Phys. Rev. Lett. 79, 2371-2374 (1997).
8. Averin, D. V. Adiabatic quantum computation with Cooper pairs. Solid State Commun. 105, 659-664 (1998).
9. Bocke, M. F., Herr, A. M. & Feldman, M. J. Prospects for quantum coherent computation using superconducting electronics. IEEE Trans. Appl. Supercond. 7, 3638-3641 (1997).
10. Kane, B. E. A silicon-based nuclear spin quantum computer. Nature 393, 133-137 (1998).
11. Haroche, S. & Raimond, J.-M. Quantum computing: dream or nightmare? Phys. Today 49, 51-52 (1996).
12. Wollman, D. A., Van Harlingen, D. J., Lee, W. C., Ginsberg, D. M. & Leggett, A. J. Experimental determination of the superconducting pairing state in YBCO from the phase coherence of YBCO-Pb DC SQUID'S. Phys. Rev. Lett. 71, 2134-2137 (1993).
13. 7-8. Nature 373, 225-228 (1995).
14. c superconductors. Preprint cond-mat/9811017 at (1998).
15. Tinkham, M. in Introduction to Superconductivity Ch. 6.4 and 7.3, (McGraw-Hill, Singapore, 1996).
16. Likharev, K. K. & Semenov, V. K. RSFQ logic/memory family: A new Josephson-junction technology for sub-terahertz-clock-fiequency digital systems. IEEE Trans. Appl. Supercond. 1, 3-28 (1991).
17. Joyez, P., Lafarge, P., Filipe, A., Esteve, D. & Devoret, M. H. Observation of parity-induced suppression of Josephson tunneling in the superconducting single electron transistor. Phys. Rev. Lett. 72, 2458-2461 (1994).
18. Ishii, C. Josephson currents through junctions with normal metal barriers. Prog. Theor. Phys. 44, 1525-1547 (1970).
19. Caldeira, A. O. & Leggett, A. J. Quantum tunneling in a dissipative system. Ann. Phys. 149, 374-456 (1983).
20. Ambegaokar, V., Eckern, U. & Schön, G. Quantum dynamics of tunneling between superconductors. Phys. Rev. Lett. 48, 1745-1748 (1982).
21. Golubov, A. A. & Kuprianov, M. Yu. Theoretical investigation of Josephson tunnel junctions with spatially inhomogeneous superconducting electrodes. J. Low Temp. Phys. 70, 83-130 (1988).