PoS - Proceedings of Science
Volume 430 - The 39th International Symposium on Lattice Field Theory (LATTICE2022) - Non-zero Density
Complex Langevin boundary terms in full QCD
M. Westh Hansen* and D. Sexty
Full text: pdf
Pre-published on: March 03, 2023
Published on: April 06, 2023
Lattice simulations of non-zero density QCD introduce the so-called sign problem (complex or negative probabilities), which invalidates importance sampling methods. To circumvent this, we use the Complex Langevin Equation (CLE), to measure the boundary terms and then compare these results with the ones gotten from reweighting, confirming the expectations from previous studies. We also investigate boundary terms in simulations using CLE with dynamic stabilization and compare this, to results calculated with reweighting.
DOI: https://doi.org/10.22323/1.430.0163
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