Entropy production in collisions of gravitational shock waves and of heavy ions

  title={Entropy production in collisions of gravitational shock waves and of heavy ions},
  author={Steven S. Gubser and Silviu S. Pufu and Amos Yarom},
We calculate the area of a marginally trapped surface formed by a head-on collision of gravitational shock waves in AdSD. We use this to obtain a lower bound on the entropy produced after the collision. A comparison to entropy production in heavy ion collisions is included. We also discuss an O(D − 2) remnant of conformal symmetry which is present in a class of gravitational shock wave collisions in AdSD and which might be approximately realized (with D = 5) in central heavy-ion collisions. May… CONTINUE READING
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