Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: D-branes in pp-wave spacetime with nonconstant NS-NS flux   We find classical solutions of D-branes in pp-wave spacetime with nonconstant
NS-NS flux. We also present Dp-Dp' bound state solutions in this background. We
further analyze the supersymmetric properties of these brane solutions by
solving the type IIB killing spinor equations explicitly.

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The categories of this paper are: quant-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: econ
37
The categories of this paper are: supr-con
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The categories of this paper are: nucl-th
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an
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The categories of this paper are: plasm-ph
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The categories of this paper are: eess
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The categories of this paper are: hep-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-ex
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The categories of this paper are: mtrl-th
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The categories of this paper are: math-ph