ICTP-SAIFR Strings 2021 - Day 5 / Netta Engelhardt and Rob Myers

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ICTP-SAIFR Strings 2021
June 21 - July 2, 2021

Speakers:
Rob Myers (Perimeter Institute) and Netta Engelhardt (MIT): Black hole information problem

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Regarding the Page curve, I am puzzled by the fact that the entropy of the outgoing radiation goes to zero, which essentially means that it transitions to a pure state. But how can a mixed state, which is what the radiation is at the top of the Page curve, transition to a pure state, that definitely can't happen. Can anyone please explain?

sombh