Orateur
Description
Large families of smooth, horizonless microstate geometries have been constructed over the last 20 years. These solutions are often quite complicated, and working with them can be a technical challenge.
However we will show that there are intermediate effective descriptions that can capture specific stringy and geometrical features of heavy pure states.We will exhibit some effective descriptions based on families of multi-centered solutions. These solutions are generically not smooth, but they capture important physical features, like the migration of the momentum charge, inherent in their smooth counterparts. Our examples include new fully-back-reacted shockwaves on circular supertubes, two-charge (D1-P or F1-P) probes of circular supertubes and spectral flowed supertubes. Our results suggest that effective descriptions can be extended to more general microstates, including non-supersymmetric solutions. We expect our results, and generalizations, will be invaluable in more phenomenological studies of microstructure.
