Dynamically Error-Corrected Gates for Universal Quantum Computation

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Scalable quantum computation in realistic devices requires that precise control can be implemented efficiently in the presence of decoherence and operational errors. We propose a general constructive procedure for designing robust unitary gates on an open quantum system without encoding or measurement overhead. Our results allow for a low-level error correction strategy solely based on Hamiltonian engineering using realistic bounded-strength controls and may substantially reduce implementation requirements for fault-tolerant quantum computing architectures.
5 pages, 3 figures

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/227701

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0810.0698
 http://arxiv.org/abs/0810.0698
 Phys.Rev.Lett.102:080501,2009
 doi:10.1103/PhysRevLett.102.080501

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arXiv