Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dp-brane Tension from Tachyons and B-field in Vacuum String Field Theory   We consider tachyonic string-field fluctuations about a Dp-brane background
in the geometrical (CFT) formulation of Vacuum String Field Theory. We then
extend this analysis to the case of a background B-field. We find that the
standard results for D-brane tension are reproduced in both cases.

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The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: supr-con
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The categories of this paper are: cmp-lg
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: bayes-an
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The categories of this paper are: quant-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: q-alg
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The categories of this paper are: plasm-ph
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The categories of this paper are: math
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
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The categories of this paper are: nlin
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The categories of this paper are: econ