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Logarithmic lightcones in the multiparticle Anderson model with sparse interactions
We prove that the dynamics of the one-dimensional $ XY $ model with random magnetic field perturbed by a sparse set of $ ZZ $ terms with a large coupling constant $ Δ$ gives rise to Lieb-Robinson (L-R) bounds with a logarithmic lightcone and amplitude proportional to $ Δ^{-1} $. These spin systems a
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