Journal
PHYSICAL REVIEW D
Volume 100, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.074503
Keywords
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Funding
- DFG grant Heisenberg Programme [SE 2466/1-2]
- Gauss Centre for Supercomputing (GCS) under the GCS/NIC project [HWU32]
- BMBF [05P18PXFCA]
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The pressure and energy density of the quark-gluon plasma at finite baryon chemical potential are calculated using the complex Langevin equation. The stout smearing procedure is generalized for the SL(3, C) manifold allowing the usage of an improved action in the complex Langevin setup. Four degenerate flavors of staggered quarks with m(pi) = 500-700 MeV are used with a tree-level Symanzik improved gauge action on 16(3) x 8 lattices. Results are compared to the Taylor expansion and good agreement is found for small chemical potentials.
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