Exact Description of D-Branes in K-Matrix Theory

  title={Exact Description of D-Branes in K-Matrix Theory},
  author={Shusaku Sugimoto},
We summarize how to describe D-branes in a matrix theory based on unstable D-instantons, which we call K-matrix theory, and explicity show that D-branes can be constructed as bound states of infinitly many unstable D-instantons. We examine the fluctuations around Dp-brane solutions in the matrix theory and show that they correctly reproduce fields on the Dp-brane world-volume. Plugging them into the action of the matrix theory, we precisely obtain the Dp-brane action as the effective action of… CONTINUE READING


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