2023
DOI: 10.1007/s00220-023-04818-2
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Derivation of Anomalous Behavior from Interacting Oscillators in the High-Temperature Regime

Patrícia Gonçalves,
Kohei Hayashi

Abstract: A microscopic model of interacting oscillators, which admits two conserved quantities, volume, and energy, is investigated. We begin with a system driven by a general nonlinear potential under high-temperature regime by taking the inverse temperature of the system asymptotically small. As a consequence, one can extract a principal part (by a simple Taylor expansion argument), which is driven by the harmonic potential, and we show that previous results for the harmonic chain are covered with generality. We cons… Show more

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