相关论文: Single vortex in a 2D optical lattices

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This paper has been withdrawn by the author due to a crucial error.

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The paper has been withdrawn by the author, due to a critical error stemming from the defined template.

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This paper has been withdrawn because of serious errors.

This paper has been withdrawn by the author, due to an error in the proof of Theorem 3.8.

The paper has been withdrawn by the author due to a gap in Proof of Theorem 1.1.

This paper is being withdrawn as its main results are already included in section 2 of the paper hep-lat/9901006.

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The paper has been withdrawn.

The paper has been withdrawn

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This paper has been withdrawn by the author due to errors and bad formalization.

This paper has been withdrawn by the author.