Worldline Monte Carlo with a fitted potential PDF gives an all-orders quenched propagator for S2QED, with a pole mass that drops toward zero near a critical coupling around 0.72.
Non-perturbative quenched propagator beyond the infrared approximation
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abstract
A new approach to the quenched propagator in QED beyond the IR limit is proposed. The method is based on evolution equations in the proper time.
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hep-th 1years
2019 1verdicts
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Propagator from Nonperturbative Worldline Dynamics
Worldline Monte Carlo with a fitted potential PDF gives an all-orders quenched propagator for S2QED, with a pole mass that drops toward zero near a critical coupling around 0.72.