Using the holographic mapping to a gravity dual, we calculate 2-point functions, Wilson loops, and entanglement entropy in strongly coupled field theories in d=2, 3, and 4 to probe the scale dependence of thermalization following a sudden injection of energy. For homogeneous initial conditions, the entanglement entropy thermalizes slowest and sets a time scale for equilibration that saturates a causality bound. The growth rate of entanglement entropy density is nearly volume-independent for small volumes but slows for larger volumes. In this setting, the UV thermalizes first.
Original languageEnglish
Article number191601
Number of pages4
JournalPhysical Review Letters
Issue number19
Publication statusPublished - 9 May 2011

    Research areas

  • entropy : entanglement, surface : minimal, field theory : anti-de Sitter, saddle-point approximation, AdS/CFT correspondence, scale dependence, strong coupling, Wilson loop, causality, quenching, nonlocal, duality, field theory : conformal, gravitation : duality, heavy ion : scattering, screening : length, invariance : gauge

ID: 2036244