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data for Evidence of superballistic conductivity in the Extended Hubbard model

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posted on 2025-04-16, 09:40 authored by Sergey MostovoySergey Mostovoy, Pavlovsky Oleg

Within the framework of the extended Hubbard model on a hexagonal lattice, electrical conductivity was calculated via Green-Kubo relations from current correlator obtained in a Hybrid Monte Carlo simulation. A region near $V_{00} = 3V_{01}$ is considered and a systematic excess of conductivity over ballistic conductivity known for the model is revealed. Indications of several phases which change each other while $V_{01}$ increases are discovered.

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