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Descripción
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| In this paper we introduce a new error model in quantum computing, in order to describe the environment influence in the n-qubit (n-qubit decoherence). In contrast to the papers published up till now, we start from the assumption that there are some cases where errors in each qubit are not independent. The hypothesis of independent errors fits to neither the n-qubit decoherence study nor the two-qubit quantum gate bug description. We propose a continuous and isotropic error model, i.e., a model in which the n-qubit probability of error, considering the n-qubit as a point in the unit sphere, is equal in all directions. We proof several important properties of temporally independent isotropic error compositions, among them the formula for the variance, and, we demonstrate that quantum codes are unable to correct isotropic errors. Finally we suggest that, even though the presented model can not be in principle applied to errors produced by quantum gate and quantum measure bugs, the error propagation can produce isotropic errors. | |
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Internacional
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Si |
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Nombre congreso
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Primer congreso internacional de Matemáticas en Ingeniería y Arquitectura |
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Tipo de participación
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960 |
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Lugar del congreso
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Madrid, España |
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Revisores
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Si |
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ISBN o ISSN
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978-84-7493-381-9 |
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DOI
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Fecha inicio congreso
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30/05/2007 |
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Fecha fin congreso
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01/06/2007 |
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