Lectures on Non-BPS Dirichlet branes
Matthias R Gaberdiel
TL;DR
This paper provides a detailed introduction to the boundary state approach for Dirichlet branes, covering both BPS and non-BPS states, with specific analysis of dualities in string theory.
Contribution
It offers a comprehensive overview of non-BPS Dirichlet branes and their dualities, expanding understanding of boundary state techniques in string theory.
Findings
Analysis of non-BPS states in Type IIA on K3
Discussion of heterotic string on T4 dualities
Examples of BPS and non-BPS Dirichlet branes
Abstract
A comprehensive introduction to the boundary state approach to Dirichlet branes is given. Various examples of BPS and non-BPS Dirichlet branes are discussed. In particular, the non-BPS states in the duality of Type IIA on K3 and the heterotic string on T4 are analysed in detail.
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