Theoretical analysis of perfect quantum state transfer with superconducting qubits

Details Theoretical analysis of perfect quantum state transfer with superconducting qubits Theoretical analysis of perfect quantum state transfer with superconducting qubits

2007-08-03

arxiv.org/abs/0708.0577v3

Phys. Rev. B 78, 094516 (2008)

Physics

Quantum Physics

7 pages, 4 figures; title changed, minor errors corrected, published version

Scientific paper

10.1103/PhysRevB.78.094516

Superconducting quantum circuits, fabricated with multiple layers, are proposed to implement perfect quantum state transfer between nodes of a hypercube network. For tunable devices such as the phase qubit, each node can transmit quantum information to any other node at a constant rate independent of the distance between qubits. The physical limits of quantum state transfer in this network are theoretically analyzed, including the effects of disorder, decoherence, and higher-order couplings.

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