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Surface Free Energy Of Hadronic And Gluonic Droplets From Lattice Qcd

Author

Listed:
  • S. HUANG

    (Department of Physics, FM-15, Washington University, Seattle, WA 98195, U.S.A)

  • J. POTVIN

    (Department of Science and Mathematics, Parks College of Saint Louis University, Cahokia, IL 62206, U.S.A)

  • C. REBBI

    (Department of Physics, Boston University, Boston, MA 02215, U.S.A)

Abstract

We present the results of a computation of the surface tension on hadronic and gluonic droplets in finite temperature quenched lattice QCD. The surface free energy was obtained by integrating the average action along a path in coupling space corresponding to growing and melting a spherical droplet of a given radius. So far droplets of radius 4, 5 and 8 (in lattice units) have been considered. After discussing ambiguities in the definition of the surface tension due to a droplet’s finite size and thick interface, we compare our results with the Bag model study of Mardor and Svetitsky. Our calculations appear to confirm qualitatively their prediction of a negative surface tension for hadronic droplets with small radii. A similar result is found for gluonic droplets, in contrast however with the Bag model. We also compare our results with the recent lattice simulation of Kajantie, Karkkainen and Rummukainen.

Suggested Citation

  • S. Huang & J. Potvin & C. Rebbi, 1992. "Surface Free Energy Of Hadronic And Gluonic Droplets From Lattice Qcd," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 3(05), pages 931-938.
    • Handle: RePEc:wsi:ijmpcx:v:03:y:1992:i:05:n:s0129183192000592
    DOI: 10.1142/S0129183192000592
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