相关论文: Relation between quantum tunneling times for boson…

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This paper is withdrawn as it is equivalent to the paper quant-ph/9605035 by Gilles Brassard.

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This paper has been withdrawn by the authors.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.

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The paper is withdrawn by the author because it is superseded by cond-mat/0303357 .

The paper has been withdrawn by the author because the result obtained has been reported earlier by other authors.

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This paper has been withdrawn by the authors due to an unlikely results.

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