String Theory of Supertubes

          @misc{ scivideos_PIRSA:17110084,
            doi = {10.48660/17110084},
            url = {https://pirsa.org/17110084},
            author = {Martinec, Emil},
            keywords = {Quantum Gravity},
            language = {en},
            title = {String Theory of Supertubes},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2017},
            month = {nov},
            note = {PIRSA:17110084 see, \url{https://scivideos.org/index.php/pirsa/17110084}}
          }
          

Abstract

The internal structure of extremal and near-extremal black holes in string theory involves a variety of ingredients — strings and branes — that lie beyond supergravity, yet it is often difficult to achieve quantitative control over these ingredients in a regime where the state being described approximates a black hole.  The supertube is a brane bound state that has been proposed as a paradigm for how string theory resolves black hole horizon structure.  This talk will describe how the worldsheet dynamics of strings can be solved exactly in a wide variety of supertube backgrounds, opening up the study of stringy effects in states near the black hole transition.