Shear viscosity of the Φ⁴ theory from classical simulation
classification
✦ hep-th
cond-mat.stat-mechhep-lat
keywords
classicaltheoryshearsimulationviscosityaccessibleapplycalculate
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Shear viscosity of the classical $\Phi^4$ theory is measured using classical microcanonical simulation. To calculate the Kubo formula, we measure the energy-momentum tensor correlation function, and apply the Green-Kubo relation. Being a classical theory, the results depend on the cutoff which should be chosen in the range of the temperature. Comparison with experimentally accessible systems is also performed.
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