August 4th-7th, 2014
Yukawa Institute for Theoretical Physics, Kyoto University
"Entanglement entropy and quantum field theory"
Matthew Headrick (Brandeis Univ.)
Over the past decade, spatial entanglement entropies have been revealed as a powerful tool for understanding the structure of quantum field theories, giving new perspectives on old questions as well as leading to interesting new ones. A particularly interesting set of theories is the so-called holographic ones, which admit a dual description in terms of classical gravity. It turns out that entanglement entropies in such theories are relatively easy to study and exhibit intriguing information-theoretic properties, which may offer clues to nature of holographic dualities. I will review these developments and comment on important open problems, emphasizing ways in which quantum information theory has contributed and may contribute in the future to our understanding of quantum field theories.
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