Quantum computing with many superconducting qubits

Details Quantum computing with many superconducting qubits Quantum computing with many superconducting qubits

2003-06-09

arxiv.org/abs/cond-mat/0306208v1

in: New Directions in Mesoscopic Physics, edited by R. Fazio, V.F. Gantmakher and Y. Imry (Kluwer Academic Publishers, 2003),

Physics

Condensed Matter

Superconductivity

10 pages, 3 figures

Scientific paper

Two of the major obstacles to achieve quantum computing (QC) are (i) scalability to many qubits and (ii) controlled connectivity between any selected qubits. Using Josephson charge qubits, here we propose an experimentally realizable method to efficiently solve these two central problems. Since any two charge qubits can be effectively coupled by an experimentally accessible inductance, the proposed QC architecture is scalable. In addition, we formulate an efficient and realizable QC scheme that requires only one (instead of two or more) two-bit operation to implement conditional gates.

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