paper

Aging Logarithmic Galilean Field Theories

arXiv:1304.0007 · doi:10.1016/j.nuclphysb.2013.05.018

Abstract

We analytically compute correlation and response functions of scalar operators for the systems with Galilean and corresponding aging symmetries for general spatial dimensions and dynamical exponent , along with their logarithmic and logarithmic squared extensions, using the gauge/gravity duality. These non-conformal extensions of the aging geometry are marked by two dimensionful parameters, eigenvalue of an internal coordinate and aging parameter . We further perform systematic investigations on two-time response functions for general and , and identify the growth exponent as a function of the scaling dimensions of the dual field theory operators and aging parameter in our theory. The initial growth exponent is only controlled by , while its late time behavior by as well as . These behaviors are separated by a time scale order of the waiting time. We attempt to make contact our results with some field theoretical growth models, such as Kim-Kosterlitz model at higher number of spatial dimensions .

1+35 pages, 11 figures, v2 : minor corrections, published version

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