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.
@article{arxiv.0708.0577,
title = {Theoretical analysis of perfect quantum state transfer with superconducting qubits},
author = {Frederick W. Strauch and Carl J. Williams},
journal= {arXiv preprint arXiv:0708.0577},
year = {2009}
}
Comments
7 pages, 4 figures; title changed, minor errors corrected, published version