Related papers: Fast quantum computing with semiconductor quantum …

This paper has been withdrawn by the authors because the results obtained have been reported earlier by other authors.

This paper has been withdrawn by the authors due to a crucial error.

The paper has been withdrawn by the author because the result obtained has been reported earlier by other authors.

This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

This paper has been withdrawn by the author.

High-performance quantum light sources based on semiconductor quantum dots coupled to microcavities are showing their promise in long-distance solid-state quantum networks.

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This paper has been withdrawn.

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This paper has been withdrawn by the authors. We have discovered an error in the evaluation of the diagram, which invalidates our conclusion.

The paper has been withdrawn by authors.

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This paper has been withdrawn by the author(s). Please refer to quant-ph/0311171.

This paper is withdrawn because the results in the paper are included in a paper to be published in Mathematical and Computer Modelling.

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This paper has been temporarily withdrawn by the authors.

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This paper has been withdrawn: it does not evade the no-go results of Mayers, Lo and Chau, to whom I am most grateful for helpful correspondences.