superconducting qbits -- references
Urs Schreiber
On realizing qbits and quantum gates (hence quantum computation) via quantum states of magnetic flux through (Josephson junctions in) superconductors, manipulated via electromagnetic pulses:
Michel H. Devoret, A. Wallraff, John M. Martinis, Superconducting Qubits: A Short Review [arXiv:cond-mat/0411174]
John Clarke, Frank K. Wilhelm, Superconducting quantum bits, Nature 453 (2008) 1031–1042 [doi:10.1038/nature07128]
Jerry Moy Chow, Quantum Information Processing with Superconducting Qubits...