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SUMMARY:From full stopping to transparency in a holographic model of heavy
  ion collisions - van der Schee\, W (Universiteit Utrecht)
DTSTART:20130917T140000Z
DTEND:20130917T143000Z
UID:TALK47155@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Co-authors: Jorge Casalderrey-Solana (Universitat de Barcelona
 )\, Michal Heller (University of Amsterdam)\, David Mateos (Universitat de
  Barcelona)\, Paul Romatschke (University of Colorado)\, Scott Pratt (Univ
 ersity of Michigan)\n\nNumerically simulating colliding planar gravitation
 al shock waves in AdS gives rise to rich and interesting dynamics. Wide sh
 ocks come to a full stop and expand hydrodynamically\, as was found in [1]
 . High energy collisions (corresponding to thin shocks) pass through each 
 other\, after which a plasma forms in the middle\, quite akin to heavy-ion
  collisions. After an initial stage of far-from-equilibrium evolution the 
 energy density and pressures become positive and are governed by hydrodyna
 mics within a proper time 1/T\, with T the local temperature at that time.
 \n\nIn the end I will comment on recent results where we were able to perf
 orm a somewhat similar simulation for central collisions and matched this 
 with recent hydrodynamic and hadronic cascade codes\, which enables an int
 eresting comparison with transverse spectra for light particles.\n\n[1] P.
 M. Chesler\, L.G. Yaffe\, (PRL 2011) [2] J. Casalderrey-Solana\, M.P. Hell
 er\, D. Mateos\, W. van der Schee\, 1305.4919 [3] W. van der Schee\, P. Ro
 matschke\, S. Pratt (to appear)\n\n
LOCATION:Seminar Room 1\, Newton Institute
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