A single strong ZZ interaction in the 1D XY/Anderson model yields Lieb-Robinson bounds with a logarithmic lightcone and amplitude suppressed as 1/Δ.
In the following we also consider, for simplicity, the setting where the operators A and B are supported respectively on the left and on the right of the perturbation
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Logarithmic lightcones in the multiparticle Anderson model with sparse interactions
A single strong ZZ interaction in the 1D XY/Anderson model yields Lieb-Robinson bounds with a logarithmic lightcone and amplitude suppressed as 1/Δ.