T-duality and Actions for Non-BPS D-branes
E.A. Bergshoeff, M. de Roo, T.C. de Wit, E. Eyras, S. Panda
TL;DR
This paper uses T-duality to constrain the form of effective actions for non-BPS D-branes, ensuring consistency with supersymmetry and T-duality principles, particularly in the Born-Infeld sector.
Contribution
It introduces a simple extension of the D-brane Born-Infeld action that satisfies T-duality and supersymmetry for non-BPS D-branes.
Findings
T-duality constrains tachyon dependence in effective actions.
The extended Born-Infeld action is consistent with T-duality and supersymmetry.
Provides a framework for analyzing non-BPS D-brane dynamics.
Abstract
We employ T-duality to restrict the tachyon dependence of effective actions for non-BPS D-branes. For the Born-Infeld part the criteria of T-duality and supersymmetry are satisfied by a simple extension of the D-brane Born-Infeld action.
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