Black Holes, Quantum information, and unitary evolution

Speaker: 
Steve Giddings (UC Santa Barbara)
Event Date and Time: 
Fri, 2012-01-13 10:00 - 11:00
Location: 
Hennings 309B
Local Contact: 
Gordon Semenoff, R. Raussendorf
Intended Audience: 
Graduate
If black hole evolution respects quantum mechanics, it should be possible to describe it in terms of unitary evolution on a Hilbert space comprising subsystems. Since such evolution must apparently violate usual locality, we seek evolution laws that generalize those of quantum field theory. I will describe some modest attempts to characterize such evolution, in a maximally conservative fashion, guided by considerations of quantum information theory and other physical constraints. A broader framework is suggested, with localization replaced by tensor factorization of Hilbert space.
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