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hep-lat2022
Complex Langevin boundary terms in full QCD
Michael W. Hansen, Dénes Sexty
Lattice simulations of non-zero density QCD introduce the so-called sign problem (complex or negative probabilities), which invalidates importance sampling methods. To circumvent t…
hep-lat2021
Complex Langevin boundary terms in lattice models
Michael W. Hansen, Erhard Seiler, Dénes Sexty +1
In complex Langevin simulations, the insufficient decay of the probability density near infinity leads to boundary terms that spoil the formal argument for correctness. We present…
hep-lat2021
Inclusive rates from smeared spectral densities in the two-dimensional O(3) non-linear -model
John Bulava, Maxwell T. Hansen, Michael W. Hansen +2
This work employs the spectral reconstruction approach of Ref. [1] to determine an inclusive rate in the dimensional O(3) non-linear -model, analogous to the QCD part of $…