Hadron thermodynamics from imaginary chemical potentials

Attila Pásztor; Paolo Alba; Rene Bellwied; Szabolcs Borsányi; Zoltán Fodor; Jana N. Günther; Sándor Katz; Claudia Ratti; Valentina Mantovani Sarti; Jacquelyn Noronha-Hostler; Paolo Parotto; Israel Portillo Vazquez; Volodymyr Vovchenko; Horst Stoecker

doi:10.1051/epjconf/201817507046

All issues

Volume 175 (2018)

EPJ Web Conf., 175 (2018) 07046

Abstract

Open Access

Issue		EPJ Web Conf. Volume 175, 2018 35^th International Symposium on Lattice Field Theory (Lattice 2017)


Article Number		07046
Number of page(s)		8
Section		7 Nonzero Temperature and Density
DOI		https://doi.org/10.1051/epjconf/201817507046
Published online		26 March 2018

EPJ Web of Conferences 175, 07046 (2018)
https://doi.org/10.1051/epjconf/201817507046

Hadron thermodynamics from imaginary chemical potentials

Attila Pásztor¹^,*, Paolo Alba², Rene Bellwied³, Szabolcs Borsányi¹, Zoltán Fodor¹^,4^,5, Jana N. Günther⁶, Sándor Katz⁵^,7, Claudia Ratti³, Valentina Mantovani Sarti⁸, Jacquelyn Noronha-Hostler⁹, Paolo Parotto³, Israel Portillo Vazquez³, Volodymyr Vovchenko²^,10^,11 and Horst Stoecker²^,10^,12

¹ Department of Physics, Wuppertal University, Gaussstr. 20, D-42119, Wuppertal, Germany
² Frankfurt Institute for Advanced Studies, Goethe Universität, D-60438 Frankfurt am Main, Germany
³ Department of Physics, University of Houston, Houston, TX 77204, USA
⁴ Jülich Supercomputing Centre, Forschungszentrum Jülich, D-52425 Jülich, Germany
⁵ Inst. for Theoretical Physics, Eötvös University, Pázmány P. sétány 1/A, H-1117 Budapest, Hungary
⁶ Department of Physics, University of Regensburg, Universitätsstraße 31, D-93053 Regensburg, Germany
⁷ MTA-ELTE "Lendület" Lattice Gauge Theory Research Group, Budapest, Hungary
⁸ Department of Physics, Technische Universität München, D-85748 Garching, Germany
⁹ Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854, USA
¹⁰ Institut für Theoretische Physik, Goethe Universität Frankfurt, D-60438 Frankfurt am Main, Germany
¹¹ Department of Physics, Taras Shevchenko National University of Kiev, 03022 Kiev, Ukraine
¹² GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany

Published online: 26 March 2018

Abstract

We use 4stout improved staggered lattice data at imaginary chemical potentials to calculate fugacity expansion coefficients in finite temperature QCD. We discuss the phenomenological interpretation of our results within the hadron resonance gas (HRG) model, and the hints they give us about the hadron spectrum. We also discuss features of the higher order coefficients that are not captured by the HRG. This conference contribution is based on our recent papers [1, 2].,

^*

Speaker

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