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Pseudoscalar meson nonet at zero and finite temperature

  • Part 1. Dense Matter Theory
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Abstract

Theoretical understanding of experimental results from relativistic heavy-ion collisions requires a microscopic approach to the behavior of QCD n-point functions at finite temperatures, as given by the hierarchy of Dyson-Schwinger equations, properly generalized within the Matsubara formalism. The convergence of sums over Matsubara modes is studied. The technical complexity of finite-temperature calculations mandates modeling. We present a model where the QCD interaction in the infrared, nonperturbative domain is modeled by a separable form. Results for the mass spectrum of light quark flavors (u, d, s) and for the pseudoscalar bound-state amplitudes at finite temperature are presented.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, University of Zagreb, Bijenička c. 32, Zagreb, 10 000, Croatia

    D. Horvatić & D. Klabučar

  2. Institut für Physik, Universität Rostock, D-18051, Rostock, Germany

    D. Blaschke

  3. Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980, Dubna, Russia

    D. Blaschke & A. E. Radzhabov

Authors
  1. D. Horvatić
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  2. D. Blaschke
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  3. D. Klabučar
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  4. A. E. Radzhabov
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Corresponding author

Correspondence to D. Horvatić.

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The text was submitted by the authors in English.

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Horvatić, D., Blaschke, D., Klabučar, D. et al. Pseudoscalar meson nonet at zero and finite temperature. Phys. Part. Nuclei 39, 1033–1039 (2008). https://doi.org/10.1134/S1063779608070095

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  • DOI: https://doi.org/10.1134/S1063779608070095

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