3/4 Fractional superdiffusion of energy in a system of harmonic oscillators perturbed by a conservative noise
classification
❄️ cond-mat.stat-mech
math.PR
keywords
energyharmonicnoiseperturbedchainconservativeconservingconsider
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We consider a harmonic chain perturbed by an energy conserving noise and show that after a space-time rescaling the energy-energy correlation function is given by the solution of a skew-fractional heat equation with exponent 3/4.
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