We present a strategy to engineer a simple cavity-QED two-bit universal quantum gate using mesoscopic distinct quantum superposition states. The dissipative effect on decoherence and amplitude damping of the quantum bits are analyzed and the critical parameters are presented.
@article{arxiv.quant-ph/0001018,
title = {Quantum computation with mesoscopic superposition states},
author = {M. C. de Oliveira and W. J. Munro},
journal= {arXiv preprint arXiv:quant-ph/0001018},
year = {2009}
}
Comments
9 pages, 5 Postscript and 1 Encapsulated Postscript figures. To be published in Phys. Rev. A