Colliding shock waves and hydrodynamics in small systems

Jun 6, 2015
5 pages
Published in:
  • Phys.Rev.Lett. 115 (2015) 24, 241602
  • Published: Dec 11, 2015
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Abstract: (APS)
Using numerical holography, we study the collision of a planar sheet of energy with a bounded localized distribution of energy. The collision, which mimics proton-nucleus collisions, produces a localized lump of debris with transverse size R∼1/Teff with Teff the effective temperature, and has large gradients and large transverse flow. Nevertheless, the postcollision evolution is well described by viscous hydrodynamics. Our results bolster the notion that debris produced in proton-nucleus collisions may be modeled using hydrodynamics.
Note:
  • 6 pages, 3 figures. Typos corrected, minor improvements, published version
  • 11.25.Tq
  • 12.38.Mh
  • hydrodynamics: viscosity
  • flow: transverse
  • nucleus
  • temperature
  • holography
  • gravitation: collapse