Quantum logic gates with controllable and selective interaction for superconducting charge qubits via a nanomechanical resonator

Details Quantum logic gates with controllable and selective interaction for superconducting charge qubits via a nanomechanical resonator Quantum logic gates with controllable and selective interaction for superconducting charge qubits via a nanomechanical resonator

2008-03-30

arxiv.org/abs/0803.4317v1

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

In this paper, we propose a scheme to implement two-qubit logic gates with a controllable and selective interaction in a scalable superconducting circuit of charge qubits. A nanomechanical resonator is used as a data bus to connect qubits. It is indicated that a controllable interaction between qubits can be obtained by making use of the data bus. It is shown that a selective interaction between qubits can be realized when many qubits are involved in the system under our consideration.

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