TL;DR
This paper investigates D-branes in 2D Lorentzian black hole string theory using gauged WZW models, focusing on their semi-classical world-volume geometries and comparing with related models.
Contribution
It introduces a method to analyze D-branes in Lorentzian black holes via gauged WZW models, emphasizing their geometric properties.
Findings
Constructed boundary conformal field theories for D-branes in Lorentzian black holes.
Described semi-classical world-volume geometries of D-branes.
Compared results with other gauged WZW models.
Abstract
We study D-branes in the Lorentzian signature 2D black hole string theory. We use the technique of gauged WZW models to construct the associated boundary conformal field theories. The main focus of this work is to discuss the (semi-classical) world-volume geometries of the D-branes. We also discuss comparison of our work with results in related gauged WZW models.
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