4.4 Article

Many-body chaos at weak coupling

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP10(2016)009

Keywords

1/N Expansion; Holography and condensed matter physics (AdS/CMT)

Funding

  1. Simons Foundation

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The strength of chaos in large N quantum systems can be quantified using lambda(L), the rate of growth of certain out-of-time-order four point functions. We calculate lambda(L) to leading order in a weakly coupled matrix phi(4) theory by numerically diagonalizing a ladder kernel. The computation reduces to an essentially classical problem.

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