Breakdown of superdiffusion in perturbed quantum integrable spin chains and ladders
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DOI: 10.1103/2hb5-k1jz
Abstract: Superdiffusive transport with dynamical exponent $z=3/2$ has been firmly established at finite temperature for a class of integrable systems with a non-abelian global symmetry $G$. On the inclusion of integrability-breaking perturbations, diffusive transport with $z=2$… read more here.
Keywords: breakdown superdiffusion; superdiffusion perturbed; symmetry; perturbed quantum ... See more keywords