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D-Branes as Unstable Lumps in Bosonic Open String Field Theory

Jeffrey A. Harvey·Per Kraus
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Abstract

We construct Dp-branes in bosonic string theory as unstable lumps in a truncated string field theory of open strings on a D25-brane. We find that the lowest level truncation gives good quantitative agreement with the predicted D-brane tension and low-lying spectrum of the D-brane for sufficiently large p and study the effect of the next level corrections for p=24. We show that a U(1) gauge field zero mode on the D-brane arises through a mechanism reminiscent of the Randall-Sundrum mechanism for gravity.

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Jeffrey A. Harvey, Per Kraus. 2000-03-06. D-Branes as Unstable Lumps in Bosonic Open String Field Theory. https://doi.org/10.1088/1126-6708%2F2000%2F04%2F012

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