Finite-temperature energy autocorrelations in the PXP model cross over from single-magnon coherent dynamics at short times to superdiffusive hydrodynamics with z=3/2 at long times.
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Finite-temperature crossover from coherent magnons to energy superdiffusion in the PXP model
Finite-temperature energy autocorrelations in the PXP model cross over from single-magnon coherent dynamics at short times to superdiffusive hydrodynamics with z=3/2 at long times.