On Action Functionals for Interacting Brane Systems
Igor Bandos, Wolfgang Kummer
TL;DR
This paper develops an action functional and equations of motion for a system combining a bosonic Dp-brane and an open string ending on it, addressing supersymmetric interaction issues in superbrane systems.
Contribution
It introduces a specific action functional for a coupled Dp-brane and open string system, clarifying supersymmetric interaction construction methods.
Findings
Derived equations of motion for the coupled system
Clarified the role of sources on the intersection
Connected the formalism to standard D-brane descriptions
Abstract
We present an action functional and derive equations of motion for a coupled system of a bosonic Dp--brane and an open string ending on the Dp-brane. With this example we address the key issues of the recently proposed method (hep-th/9905144, hep-th/9906041) for the construction of manifestly supersymmetric action functionals for interacting superbrane systems. We clarify, in particular, how the arbitrariness in sources localized on the intersection is related to the standard description of the flat D-branes as rigid planes where the string for endpoints 'live'.
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