Abstract
We study lattice QCD at nonvanishing chemical potential using the complex Langevin equation. We compare the results with multiparameter reweighting both from μ=0 and phase-quenched ensembles. We find a good agreement for lattice spacings below ≈0.15 fm. On coarser lattices the complex Langevin approach breaks down. Four flavors of staggered fermions are used on Nt=4, 6 and 8 lattices. For one ensemble we also use two flavors to investigate the effects of rooting.
| Original language | English (US) |
|---|---|
| Article number | 094516 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 92 |
| Issue number | 9 |
| DOIs | |
| State | Published - Nov 24 2015 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)
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