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      https://www.ias.ac.in/article/fulltext/pram/071/03/0487-0508

    • Keywords

       

      Lattice gauge theory; quantum chromodynamics; finite temperature field theory.

    • Abstract

       

      We propose a better differential method for the computation of the equation of state of QCD from lattice simulations. In contrast to the earlier differential method, our technique yields positive pressure for all temperatures including the temperatures in the transition region. Employing it on temporal lattices of 8, 10 and 12 sites and by extrapolating to zero lattice spacing we obtained the pressure, energy density, entropy density, specific heat and speed of sound in quenched QCD for $0.9 \leq T/T_{c} \leq 3$. At high temperatures comparisons of our results are made with those from the dimensional reduction approach and also with those from a conformal symmetric theory.

    • Author Affiliations

       

      Rajiv V Gavai1 Sourendu Gupta1 Swagato Mukherjee1 2

      1. Department of Theoretical Physics, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, India
      2. Fakultät für Physik, Universität Bielefeld, D-33615 Bielefeld, Germany
    • Dates

       
  • Pramana – Journal of Physics | News

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