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SUMMARY:From Scattering to the Dynamics of Black Holes and Fluids
DTSTART:20210304T180000
DTEND:20210304T190000
DTSTAMP:20260916T153722Z
UID:9a62f468811acb3c1cb0c28b36f3bc8bf78849deb8b9091d4bc2dece
CATEGORIES:Conferences - Seminars
DESCRIPTION:Clifford Cheung (Caltech)\nThe S-matrix bootstrap is a systema
 tic framework for deriving dynamics without reference to an action or an 
 underlying spacetime.  Remarkably\, the expressions gleaned from this lin
 e of attack are marvelously simple\, revealing new structures long hidden 
 in plain sight.  As examples\, I describe the duality between color and k
 inematics and how gravity serves as the "mother of all theories" whose S-m
 atrix secretly encodes and unifies those of gluons\, pions\, and Galileon
 s.  I then describe recent progress applying these ideas to subjects some
 what less well-tread by particle physicists: gravitational wave physics an
 d fluid dynamics.  First\, I discuss how cutting edge ideas from amplitud
 es have been fused with classic tools from effective field theory to deriv
 e state-of-the-art results on the orbital dynamics of binary black holes a
 nd neutron stars.  Second\, I show how the Navier-Stokes equation encodes
  scattering amplitudes of fluid quanta which are also amenable to amplitud
 es analysis and exhibit a litany of familiar structures\, including soft t
 heorems\, recursion\, and the double copy.\n\nRecording available at: htt
 ps://mediaspace.epfl.ch/channel/High+Energy+Theory+Seminars/32518
LOCATION:Zoom https://epfl.zoom.us/j/82960068763
STATUS:CONFIRMED
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