Mollified Monte Carlo
D.D. Ferrante, J. Doll, G.S. Guralnik, D. Sabo

TL;DR
This paper introduces a mollified Monte Carlo method that leverages generalized functions to enable standard Monte Carlo techniques for computing quantum field theory quantities in challenging scenarios like Minkowski spacetime and phase transitions.
Contribution
It presents a novel mollification approach that extends Monte Carlo applicability to complex quantum field theory problems involving phase transitions and coalescing stationary points.
Findings
Successfully computes QFT quantities in Minkowski spacetime
Handles phase transitions effectively
Addresses coalescing stationary points
Abstract
Using a common technique for approximating distributions [generalized functions], we are able to use standard Monte Carlo methods to compute QFT quantities in Minkowski spacetime, under phase transitions, or when dealing with coalescing stationary points.
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