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hep-th2005
Cosmic D-strings as Axionic D-term Strings
Jose J. Blanco-Pillado, Gia Dvali, Michele Redi
In this work we derive non-singular BPS string solutions from an action that captures the essential features of a D-brane-anti-D-brane system compactified to four dimensions. The m…
hep-th2005
Footballs, Conical Singularities and the Liouville Equation
Michele Redi
We generalize the football shaped extra dimensions scenario to an arbitrary number of branes. The problem is related to the solution of the Liouville equation with singularities an…