PIRSA:21100023

Resolution of the black hole information paradox: The Fuzzball Paradigm

Mathur, S. (2021). Resolution of the black hole information paradox: The Fuzzball Paradigm. Perimeter Institute. https://pirsa.org/21100023

Mathur, Samir. Resolution of the black hole information paradox: The Fuzzball Paradigm. Perimeter Institute, Oct. 20, 2021, https://pirsa.org/21100023 

          @misc{ pirsa_PIRSA:21100023,
            doi = {10.48660/21100023},
            url = {https://pirsa.org/21100023},
            author = {Mathur, Samir},
            keywords = {Quantum Gravity},
            language = {en},
            title = {Resolution of the black hole information paradox: The Fuzzball Paradigm},
            publisher = {Perimeter Institute},
            year = {2021},
            month = {oct},
            note = {PIRSA:21100023 see, \url{https://pirsa.org}}
          }

Samir Mathur Ohio State University

DOI 10.48660/21100023
Collection
Talk Type Scientific Series
Subject

Abstract

We will begin by explaining the black hole information paradox, starting from first principles. We will then explain how computations in string theory yield a resolution of this paradox. When we make a bound state of strings and branes, then this bound state is found to swell up into a horizon sized `fuzzball'; this fuzzball radiates like a normal body without any information loss. The existence of these fuzzballs implies a new picture for the quantum gravitational vacuum, where the virtual fluctuations resemble the scale free fluctuations at a second order phase transition, rather than being confined to within the planck scale.  We will see how this `vecro' picture of the vacuum might give a resolution to several puzzles we face in cosmology, like the origin of energy needed for inflation and the existence of a cosmological constant.