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This promising implementation of quantum information involves nanofabricated superconducting electrodes coupled through Josephson junctions. As in a superconducting electrode, the phase and the charge are conjugate variables , there exists three familly of superconducting qubits, depending if the charge, the phase or neither of the two are good quantum numbers. This refers respectively to charge Qubits, flux Qubits , and hybrid qubits.
[edit] Journal articles on Superconducting qubits
- V. Bouchiat, D. Vion, P. Joyez, D. Esteve and M.H. Devoret, Quantum coherence with a single Cooper pair, Physica Scripta T76 165 (1998).
- Y. Nakamura, Yu. A. Pashkin, and J. S. Tsai. Coherent control of macroscopic quantum states in a single-Cooper-pair box. Nature 398, 786 (1999).
- D. Vion et al.. Manipulating the quantum state of an electrical circuit. Science 296, 886 (2002).
- J. M. Martinis, S. Nam, J. Aumentado, and C. Urbina. Rabi oscillations in a large Josephson-junction qubit. Phys. Rev. Lett. 89, 117901 (2002).
- I. Chiorescu, Y. Nakamura, C. J. P. M. Harmans, and J. E. Mooij. Coherent quantum dynamics of a superconducting flux qubit. Science 299, 1869 (2003).
- T. Duty, D. Gunnarsson, K. Bladh, and P. Delsing, Phys. Rev. B 69, 140503(R) (2004).
- A. Wallraff, D. I. Schuster, A. Blais, L. Frunzio, R.-S. Huang, J. Majer, S. Kumar, S. M. Girvin and R. J. Schoelkopf. Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics. Nature 431, 162 (2004).
- V.T. Petrashov, K.G. Chua, K.M.Marshall, R. Sh. Shaikhaidarov and J. T. Nicholls. Andreev Probe of Persistent Current States In Superconducting Quantum Circuits. Phys. Rev. Lett 95, 147001 (2005).
