EPJ Web Conf.
Volume 175, 201835th International Symposium on Lattice Field Theory (Lattice 2017)
|Number of page(s)||8|
|Section||7 Nonzero Temperature and Density|
|Published online||26 March 2018|
The pion quasiparticle in the low-temperature phase of QCD
Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, D-60438 Frankfurt am Main, Germany
2 Department of Physics & Astronomy, York University, Toronto ON M3J 1P3, Canada
3 PRISMA Cluster of Excellence, Institut für Kernphysik and Helmholtz-Institut Mainz, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
4 Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
* Speaker, e-mail: email@example.com
Published online: 26 March 2018
We extend our previous studies [PhysRevD.90.054509, PhysRevD.92.094510] of the pion quasiparticle in the low-temperature phase of two-flavor QCD with support from chiral effective theory. This includes the analysis performed on a finite temperature ensemble of size 20 × 643 at T ≈ 151MeV and a lighter zero-temperature pion mass mπ ≈ 185 MeV. Furthermore, we investigate the Gell-Mann–Oakes-Renner relation at finite temperature and the Dey-Eletsky-Ioffe mixing theorem at finite quark mass.
© The Authors, published by EDP Sciences, 2018
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