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Events in Physics
Title: Black Holes And Firewalls: Can We Take Nothing For Granted?    (Colloquia)
Start Date: 09/30/2013
Time: 4:15 pm
Location: 1 LeConte Hall
Speaker: Raphael Bousso
Affiliation: Professor of Physics, UC Berkeley
Contact Person: Sarah Wittmer   (510) 642-3034
Details:

If the formation and evaporation of a black hole preserves quantum information, then the horizon is a special place, unlike empty space everywhere else. This conclusion is dramatic, as it appears to contradict the equivalence principle. I will discuss proposals for how to avoid a "firewall" at the horizon, and why they fall short. The equivalence principle may nevertheless be upheld, if firewalls can be understood as a failure of the vacuum state to emerge dynamically.