New results for QCD at non-vanishing chemical potentials from Taylor expansion

Laermann E (2017)
In: Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016. PoS.

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Abstract
Recent results of the BNL-CCNU-Bielefeld collaboration on the Taylor expansion of the pressure up to sixth order in the baryon, strangeness and electric charge chemical potentials are presented, with the focus on the QCD equation of state. The calculations have been performed with the Highly Improved Staggered Quark action on lattices with aspect ratio 4 and temporal extents ranging from 6 to 16, i.e. at four different values of the lattice spacing. The strange quark mass has been tuned to its physical value, and two ratios of the light to the strange mass, m l / m s = 1 / 20 and 1 / 27 have been investigated. The comparison of sixth order Taylor expansion in the chemical potentials with fourth order ones shows that the truncation errors are small at least up to baryon chemical potential of μ B / T ' 2.
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Conference
34th International Symposium on Lattice Field Theory (Lattice 2016)
Location
Southampton, UK
Conference Date
2016-07-24 – 2016-07-30
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Laermann E. New results for QCD at non-vanishing chemical potentials from Taylor expansion. In: Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016. PoS; 2017.
Laermann, E. (2017). New results for QCD at non-vanishing chemical potentials from Taylor expansion. Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016 PoS.
Laermann, E. (2017). “New results for QCD at non-vanishing chemical potentials from Taylor expansion” in Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016 (PoS).
Laermann, E., 2017. New results for QCD at non-vanishing chemical potentials from Taylor expansion. In Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016. PoS.
E. Laermann, “New results for QCD at non-vanishing chemical potentials from Taylor expansion”, Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016, PoS, 2017.
Laermann, E.: New results for QCD at non-vanishing chemical potentials from Taylor expansion. Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016. PoS (2017).
Laermann, Edwin. “New results for QCD at non-vanishing chemical potentials from Taylor expansion”. Proceedings, 34th International Symposium on Lattice Field Theory (Lattice 2016) : Southampton, UK, July 24-30, 2016. PoS, 2017.
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