Bulletin of the American Physical Society
APS April Meeting 2016
Volume 61, Number 6
Saturday–Tuesday, April 16–19, 2016; Salt Lake City, Utah
Session H2: Theory Developments in Particle Physics and GravitationInvited
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Sponsoring Units: DPF GGR Chair: Mirjam Cvetic, University of Pennsylvania Room: Ballroom A |
Sunday, April 17, 2016 8:30AM - 9:06AM |
H2.00001: Quantum Information and spacetime Invited Speaker: John Preskill Recently, concepts from quantum information science such as entanglement entropy and quantum error correction are providing a fresh perspective on deep questions about the quantum structure of spacetime. I'll review these ideas and how they are influencing our thinking about black holes and holographic duality. [Preview Abstract] |
Sunday, April 17, 2016 9:06AM - 9:42AM |
H2.00002: Soft particles from the edge of space-time Invited Speaker: Burkhard Schwab Symmetries are fundamental to our understanding of quantum field theory and the discovery of new symmetries often leads to surprising new insights. It is even more surprising when these symmetries turn out to be infinite-dimensional! Recently, such discoveries have been made in Maxwell theory, Yang-Mills theory, Einstein's gravity, N=1 D=4 SQED and N=1 D=4 SUGRA. In the S-matrix these symmetries manifest themselves as Ward identities which turn out to be soft limits. They are also intimately connected with potentially measurable "memory effects" in some (and probably all) of these theories. I will give an overview of this fascinating new development. [Preview Abstract] |
Sunday, April 17, 2016 9:42AM - 10:18AM |
H2.00003: Gravitational lessons from Holographic Entanglement Entropy Invited Speaker: Veronika Hubeny Entanglement entropy is a useful measure of entanglement, a quintessentially quantum feature of physical systems. Though its intricate nature renders it hard to calculate in all but the simplest settings, for strongly coupled field theories the tools of holography come to the rescue. This talk will review holographic entanglement entropy in AdS/CFT in a general time-dependent setting, and indicate some of the uses and insights gained from this prescription. [Preview Abstract] |
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