Momentum dependence of the spectral functions in the O(4) linear sigma model at finite temperature
classification
✦ hep-ph
keywords
sigmadependencefinitelinearmodelmomentumspectraltemperature
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The spatial momentum dependence of the spectral function for pi and sigma at finite temperature is studied by employing the O(4) linear sigma model and adopting a resummation technique called optimized perturbation theory (OPT).
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